This is a blog about calculating surface area & volume of a sphere with few examples that will clear your concepts.

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Grade 9 Maths NCERT

Number Systems: Real Numbers: Introduction: We are familiar with the number systems such as: N = set of natural numbers = 1,2,3,4,5,6,7,8,9,. W = phối of whole numbers = 0,1,2,3……,9,… I or Z = phối of Integers = ….-3,-2,-1,0,1,2,3,…. The relationship of these sets of numbers can be pictorially represented as shown below: <…>

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Brackets:eg. 4² +(7 + 3)÷ 4 – 8 = 4² +10÷ 4 – 8 Order:eg.3²+ 10 ÷ 5 – 8 =9+ 10 ÷ 5 – 8 Division/Multiplication:eg. 16 +10 ÷ 5– 7 = 16 +2– 7 Addition/Subtraction:eg.16 + 2 – 8=10

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Sound, a mechanical disturbance from a state ofequilibriumthatpropagatesthrough an elastic material medium. A purely subjective definition of sound is also possible, as that which is perceived by the ear, but such a definition is not particularlyilluminatingand is unduly restrictive, for it is useful to lớn speak of sounds that cannot be heard by thehumanear, such as <…>

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Online Tuition class

Online Tuition class BENEFITS You may tend choose us for several reasons, though, underlining some, ‘The Vinay Online Classes’ has committed colleagues who’re rationale is khổng lồ display your occasion’s idea in front of audience in a way that it gets conveyed in the correct heading, to the opportune individuals in a unique and engaging way. <…>

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ONLINE CLASSES You may tend choose us for several reasons, though, underlining some, ‘The Vinay Online Classes’ has committed colleagues who’re rationale is to display your occasion’s idea in front of audience in a way that it gets conveyed in the correct heading, to lớn the opportune individuals in a quality and engaging way. For doing <…>

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Online classes for Maths

Online classes for Maths You can contact us for more details at +919581441940 You may tend choose us for several reasons, though, underlining some, ‘The Vinay Online Classes’ has committed colleagues who’re rationale is khổng lồ display your occasion’s idea in front of audience in a way that it gets conveyed <…>

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Online classes in Lucknow

Online classes in Lucknow You may tend choose us for several reasons, though, underlining some, ‘The Vinay Online Classes’ has committed colleagues who’re rationale is to display your occasion’s idea in front of audience in a way that it gets conveyed in the correct heading, to the opportune individuals in a unique and engaging <…>

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Teaching Experience (Total: 6.5 Years of classroom teaching & 1.5 year of online tutoring.)

Working as Physics Faculty with The British School, Sec. 44b, Chandigarh.Working as Physics faculty with VidyaSanjivani Classes, Sec. 34c, Chandigarh.Worked as Physics Faculty (Part time) in Blessings Coaching Classes, Zirakpur Since May, 2017 khổng lồ August 2017..Working as online tutor (part time) for Mathematics with Focus Edumatics since October, 2016.Worked as part time tutor in Tutor Vista and Chegg.Worked as lecturer in Physics (Grade 11th và 12th) in Govt. Girls Sr. Sec. School, Mangali (Distt. Hissar, Haryana) since 28 Feb, 2012 lớn 27 Oct, 2014.Worked previously as lecturer in Physics (Grade 11th và 12th) in Govt. Girls Sr. Sec. School, Ratia (Distt. Fatehabad. Haryana) from 27 Nov, 2008 khổng lồ 27 Feb, 2012.Worked previously as lecturer in Physics (Grade 11th và 12th) in Govt. Sr. Sec. School, Bhuna (Distt. Fatehabad. Haryana) from 09 may, 2008 khổng lồ 17 Nov, 2008.


Answer student questions related to lớn the course content.

Reply to student messages.Grade student assignment & tests.Assess student progress.Offering guidelines lớn every individual for his/her developmentInspiring students, getting them into discussions, & developing their skill setsApplying the different teaching methods so that teaching process won’t be monotonous for the students

Educational Qualification

M.Phil. (Physics) from Maharishi Markandeshwar University, Mullana-Ambala (Haryana) with 60.2% in 2009.Bachelor in Education (Science and Mathematics) from G.D. College of Education, Bhuna, Fatehabad (Haryana) affiliated lớn Kurukshetra University with 68.6% in 2008.M.Sc. (Physics) from Chaudhary Devi Lal University, Sirsa, with 74.4% in 2007.B.Sc. (Non Medical) from Govt. P.G. College, Hissar (Haryana) affiliated khổng lồ Kurukshetra University with 66.8% in 2005.Scored 62.6% in Sr. Sec. Certification Exam (10+2) (Haryana Board) in 2002.Scored 74.6% in Matriculation Exam (10th) (Haryana Board) in 2000.


Qualified the Haryana Teacher’s Eligibility thử nghiệm (HTET) for Master/Mistress category in the subject of Science & Technology with 65.3% in 2011.

Qualified the Central Teacher’s Eligibility kiểm tra (CTET) for Master/Mistress category in the subject of Science and Technology in May 2016.

Summary of Skills

Excellent knowledge on theories & concepts of Physics and Mathematics.Capability lớn maintain the relationship with students as well as inspire them.Highly skilled in planning the strategies & applying them for the development of students.Strong interpersonal as well as organizational skills.Ability to discuss with students on their academic problems.Capability to lớn provide the solutions regarding Physics and Mathematics.Polite & patient.Proficient in Microsoft Office.

Conference Attended

Participated in two day National Conference on Emerging Perspectives và Sustainable Development in Physics held on 18-19, November, 2009 in D.A.V. College, Abohar (Punjab)

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 An enthusiastic, result oriented professional with proven abilities in coordinating, planning, teaching English by implementing the innovative methods for a resulting efficiency. I have a Master’s Degree in English and Bachelor’s Degree in Education & have a total of over 13 years’ experience in the Teaching industry. Having worked with numerous multi-cultural organizations, CBSE, IGCSE. I have been afforded the opportunity khổng lồ prove my excellent communication skills, problem-solving abilities, và my calm, positive demeanor.


 Leadership, communication, interpersonal và organizational skills, ability khổng lồ effectively evaluate teachers & staff.


Expert knowledge of Computer applications like M S Office.


 Academic/Administration Coordinator/English Teacher

SpIns Interactional School – Surabaya, Indonesia. 01/2014 lớn Current

Trained Graduate Teacher TGT English

Pitts Modern School – Gumia, Bokaro, Jharkhand. 10/2010 khổng lồ 12/2013

Faculty English Communication

Institute of Language Management Pvt Ltd, Bangaluru, Karnataka. 07/2008 lớn 01/2010

English và Computer Teacher

St.Paul’s Modern School, Bokaro India. 07/2005 to 06/2008


High School

Samooham High School, North Parur, Kerala, India 1980

Pre- Degree

St Paul’s College, Kalamassery, Kerala 1983

B Com

University of Kerala, Karyavattom Campus, Trivandrum, Kerala 1988

Master of Arts

Tamilnadu open University, Chennai, India 2013

B Ed English và Commerce

MaharshiDayand University, Rohtak, Haryana, India 2014


 TESOL Cert. – American TESOL Institute, Kolkata, India. <120 hrs.> 2012

Teaching Knowledge kiểm tra – Cambridge University 2011

IELTS TTT – British Council Chennai, India 2013

Certificate In Computer , Indira Gandhi xuất hiện University.

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Biology Teacher with more than 5 years of experience

Profile Summary

Proficient in high quality teaching, extra-curricular activities,Organized and driven with innate ability to lớn stay focused; used effective methods ofteaching while focusing on individual needs of each student.Bilingual in Hindi và English. Knowledge of MS office, internet applications, Smart classes / Boards

Core Skills

Teaching (Hindi / English)Academic Performance DevelopmentStudent DevelopmentCurriculum developmentCounseling / Consultation

Personal Skills

Comprehensive problem solving abilities;Willingness lớn learn;Possessing excellent individual & teamwork spirit;Positive attitude và fast learner;Can adapt well to the changes and pressures in the work places.

Work Experience

 April 2016-till date Delhi Public School Udaipur, Rajasthan as TGT Science

Key Result Areas

Class teacher (class IX).Assisting coordinator in all the paper work, academics as well as disciplinary work.External exams in-charge.Remedial classes in-chargeTaking class 7th Science và Class 9th Biology & Chemistry.Taken Evening classes for classes IX and X- BIOLOGY. (for boarders)


100% result. (VIII, IX and X).Positions in House Competitions- group dance (2nd), debate (1st), athletics (1st)Positions in class activities.

Aug. 2013 khổng lồ Mar. 2016 Rich Harvest Public School, New Delhi as PGT Biology

Key Result Areas

Class teacher (class X).Assisted coordinator in all the paper work, academics as well as disciplinary work of school.Assisted coordinator in all the paper work for CBSE.In-charge for annual exams, Floor, & Biology lab.During final practical, used to lớn oversee all 3 labs- physics, chemistry & biology.Took classes of Science for class 10th and Biology classes for class 11th& 12th.


100% result given. (X, XI, XII).Zonals- second position in science skit, participated in nukkad natak, debates.Positions in House Competitions.

Jul. 2009 to March. 2010 Buddha Institute of công nghệ – Udaipur, Rajasthan.

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Conducted Classes for Sc. And M.Sc. Biotech students.


Ed fromMohanlalSukhadiya University, Rajasthan, in 2011.Sc. In Bio-Technology from Bangalore University, Karnataka, in 2007.Sc. In Life Sciences from MohanlalSukhadiya University, Rajasthan, in 2005.PG Diploma in Bio-Informatics from Bangalore, Karnataka in 2008.

Technical Skills

Biochemical Technique- Quantification and biochemical estimation procedures, etc.Microbiological Techniques- Staining techniques, cell counting, industrial microbiology methods etc.Immunological Techniques- Gel electrophoresis, immunodiffussion, Blood grouping, RBC and WBC count,

Hemoglobin estimation, Dot ELISA, etc.

Molecular Biology Techniques- ren cloning techniques & other Biotechnological Techniques.Genetic and Cell Biological Techniques- Mitosis, Meiosis, Barr body, karyotyping, etc.Plant và Animal Tissue Culture Techniques

Conferences và Workshops Attended

“JNARJANA” 2006 a national symposium on FRONTIER AREAS IN GENOMICS và CLINICAL RESEARCH at, Oxford Educational Institute, Bommenahalli, Bangalore.BIOINTELLIGENCE 2010-THE in silico  EXCELLENCE CENTER


Science Congress by CBSE Kaiynat Society. 2015.Effective teaching & classroom management.Smart class teaching by Educomp.

College Seminars Topics

Transgenic Plants for Carbohydrate Modifications.Separation Techniques For CarbohydratesConservation of Natural Resources.

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 Professional Summary

Working as Lecturer for paramedical students in All India institute of Local Self GovernmentWorked in First Guide Academy (PU tuition and Entrance Coaching Centre), Conducted Chemistry and Biology classes for PU and NEETWorked in Harvest Institute of Science as Chemistry Faculty for NEET (Currently a guest faculty )Worked as Associate Academics – Chemistry in Pearson India Education Services Private LimitedConducted classes for US Canada Students till college grade for Chemistry & K12 – ScienceExpertise in Chemistry (Physical, Inorganic, Analytical và Environmental Chemistry, High School, PU) as well as Biology(High School, PU, Paramedical , Ecology, Environmental Sciences) topicsWorked as Chemistry Teacher in an entrance coaching centre at Calicut for SSLC and PUC 2012-2013

Summary of skills và Interests

Online Teaching experience for 2 year (currently working )Secured Full marks in 10th và A grade in PUC for ChemistrySecured Full marks for Chemistry Lab papers in GraduationTeaching : Private tuition for High school và PUC studentsTeaching as social work : Participated in study and awareness campaigns forSpecial Teaching aids : Charts, Posters, photos, working & still model, collage & PowerPoint presentations used for awareness campaigns

White board & related teaching aids for online teaching

Teaching & awareness campaign for Government employees regarding Energy ConservationTeaching & awareness campaign for students about migratory birds at KalaiveliVegetation Sampling: Extensive use of both quantitative và qualitative methods for measuring cover, density, frequency, & biomass. Experience collecting data và performing statisticalRestoration: Helped in reforestation work at Silent Planted tree seedlings by removing weed shrubs in a camp conducted by 9K Naval NCC Unit, Calicut.Interdisciplinary: Exposure to lớn field work & measurements in hydrology, wildlife, and mark-recapture, and campus/pacing exercises.

 Leadership Experience

Participated in State level Science fair for three consecutive yearsLeaded Scout & Guide for one yearSecured B và C certificates, National Cadet Crops, 2009-2012Participated for National Integration camp for NCCInstructor Eco Friends Club, 2011- 2012Participated in International Students Conference for Conservative Sciences 2013 & 2014Participated in awareness program for Local children regarding the migratory birds conservationParticipated in Bird count 2013 for FERAL Foundation For Ecological Research, Advocacy và Learning

 Academic Qualifications

M.Sc Ecology and

Environmental sciences

Pondicherry Central University201571%
Diploma in computer


Institute of Human Resources

Development, Kozhikode

B.SC ChemistryMCC, Calicut University201278%
+2 Biology SciencePMSAPTHSS Kakkove, Kozhikode200880%
SSLCGGVHSS Feroke, Kozhikode200690%
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Overview and ObjectiveQualified M. Sc with 1+ years (approx) of varied instructional experiences.To obtain a position as a Math / Physics Teacher that will utilize my strong dedication lớn children’s development & to their educational needs.Obtain a teaching position that uses modern teaching methods such as e-learning & team learning.Possess a positive và effective teaching style with the willingness khổng lồ work above & beyond the hotline of dutyHaving knowledge of computer và MS Office.ProfileA highly energetic and enthusiastic individual, specializing in Math , Physics and Hindi. Dedicated to lớn providing the best education and care to children aged 14 – 20 years.Special AchievementsGargi Puruskar Awarded by Government of Rajasthan three times. in Feb 2007, 2009 & 2011.Scored 1st Rank in 10th standardScored 2st Rank in 12th standard.Key SkillsSelf motivation, initiative with a high màn chơi of energyVerbal communication skillsDecision making, critical thinking, organizing và planningTolerant và flexible to lớn different situations.Education & QualificationsBachelor of Education B. Ed (Pursuing).Master of Science in Physics (Physics, Math)Bachelor of Science (Physics, Math)Senior Secondary (Physics, Chemistry and Mathematics)Secondary (10th), All regular subjects.


Gargi Puruskar Awarded by Government of Rajasthan three times. in Feb 2007, 2009 and 2011.Additional InformationI use khổng lồ take drawing & English class during the summers.Having good knowledge of Math , Physics language and Computers.Good in singing, dancing, art and crafts participating in quiz competitions.Proficient in MS Office, internet, e-learning tools

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 Biophysics, Biochemistry, Cell và molecular biology, Immunology, Biotechnology



PhD in Biophysics (Thesis submitted)All India Institute of Medical Sciences (AIIMS), New


October, 2017
Department of Biophysics
M. Tech

in Applied Botany

Indian Institute of công nghệ (IIT) Kharagpur,


June, 2009
Department of Agricultural & Food Engineering
M. Sc. In BiotechnologyDeen Dayal Upadhayay Gorakhpur University ,


June, 2007
Department of Biotechnology
B.Sc. in Botany,

Chemistry, Zoology

Deen Dayal Upadhayay Gorakhpur University ,


June, 2007
 Subject studied at post graduate level


DegreeSubjects studied
M. TechPlant Metabolites và Separation Technology, Principles of Plant Breeding, Modern Genetics, Immunotechnology , Statistical technique and computer programming, Crop Breeding và Biotechnological Applications, Environmental Microbiology and Biopollution Control, Pharmacognoscy & Molecular Pharming, Recombinant DNA Technology, development of human


M. ScMolecular biology, Biochemistry, Biophysics, Enzyme technology, Cell biology, Genetic engineering and recombinant DNA technology, Genomics, Bioinformatics, Biostatics, Immunology and Immunotechnology , Animal biotechnology, Plant biotechnology, Bioprocess engineering & Technology,

Environmental biotechnology, Microbiology.

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Educational Qualification

M. Phil in English Literature from Sri Venkateswara University in 2011.M.Ain English Literature from Bikaner University in 2008.Graduation (English Lit. History, Political Science, Punjabi, General Eng.)from MG.D.A.V College Bathinda in 2005.12th (P.S.E.B) from MG.D.A.V College Bathinda in 2002.10th (P.S.E.B) from M.H.R. Sr. Sec. School Bathinda in 1999.

Professional Profile:

A perspicacious, resourceful teaching professional with genuine interest in students; over 5 years of experience in the teaching field. I was associated with a reputed CBSE School in Lucknow, as anEnglishTeacher, details are following.

Vardaan International Academy, Lucknow (Affiliated to CBSE Board)

Well versed with the latest curriculum & teaching methodology of CBSE.Since Apr 2016, I have been teaching English at reputed CBSE schools for Grade levels 8, 9, 10 & 11th in the CBSE curriculum which demands equal proficiency in English language learning skills such as Reading, Writing, Listening và Speaking. I have been training students in all these skill areas & have achieved excellent out come.Can do much more than the conventional chalk-and-talk method using modern amenities including Smart / Digital Classes.Energetic, organized, positive and self motivated with the ability to speak và write effectively in English, Hindi & Punjabi.Ability to lớn prepare lesson plans và deliver efficiently khổng lồ the students.Strong interpersonal, intuitive, and leadership skills. Adaptable and efficient in work situations with changing responsibilities.Sensitive to lớn students’ specialized & changing needs; proven ability to lớn develop rapport with students.Excellent Classroom Management và student assessment skills.Excellent event management skills và compeered important school functions and events successfully.Have inculcated enough self confidence in m5y students lớn be competent public speakers.Conduct small group & individual class room activities with students based on differentiated learning needs to ensure all students are learning at full potential.Participate in ongoing staff training session.

S.D.S.N Degree College, Lucknow (Affiliated to lớn Lucknow University)

Class B.A, as an English Lecturer from Jul 2012 to Sep 2013

Worked as English lecturer for B.A. 1st, 2nd & final year student

Mahatma Hansraj Sr.Sec School , Bathinda

Class VIII to Class XIIEnglish Grammar and Literature from July 2008 to lớn February 2011.

Good subject knowledge và communication skill.Teaches English to lớn Class VIII to XII students.Passionate and committed in teaching & education.Reviewed the educational records, provided guidance & coach as needed.Monitored, mentored & coach Students to lớn ensure effective academic support.Assessed each child’s abilities & aptitude thử nghiệm results khổng lồ ensure correct grade level placement.Analyzed & developed interventions for student that are based on effective learning theories & instructional strategies in order khổng lồ meet the needs of student.Expertise in planning, Preparing và presenting lessons khổng lồ students in an interesting & participative fashion.Supported staff to develop & maintain a relationship with the school attended by the student including its administrators và teachers.Setting objectives, goals và assignments to lớn students & assessing, grading their work.Prepared administered and corrected tests; kept attendance & grade records.Prepared & implemented remedial programs for students requiring extra help.Increased completion rate of homework assignments by developing và implementing an ongoing reward system.Inspired a higher degree of parental involvement in student education through the use of daily reports, notebook check-in system, & telephone calls.

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