REFLECTION AT CURVED SURFACES - PROBLEMS

PROBLEMS IN PHYSICS - REFLECTION AT CURVED SURFACES (adsbygoogle = window.adsbygoogle || []).push({}); PROBLEM 1:  Where is the image formed when 8 cm tall object is placed at 20 cm. in front of a concave mirror with focal length 5 cm.  Find out the size of the image also. (adsbygoogle = window.adsbygoogle || []).push({}); PROBLEM 2: A 10 cm tall object is placed in front of a convex mirror of focal length 15 cm, Find out the image distance and write its characteristics . PROBLEM 3: 10 cm focal length concave...

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REFLECTIOIN AT SPHERICAL SURFACES - do you know

DO YOU KNOW?   1. Angle of incidence, angle of reflection  2. Plane mirror, spherical mirrors 3. Normal drawn to plane mirror and spherical mirror (adsbygoogle = window.adsbygoogle || []).push({}); 4. Radius of curvature and focal length 5. Relation between R and f  6. Parallel beam of light 7. Principal axis acts as Normal, discuss  8. Virtual image and Real image - properties  9. Situation to get hi=ho in a concave mirror  10. Characteristics of image formed by convex mirror  11. Mirror...

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BENEFITS OF TULSI LEAVES

IMPORTANCE OF TULSI LEAVES.... Tulsi is very important and most prominent herbs in the society.  We use to call the tulsi as 'king of herbs'.  The scientific name of the tulsi is 'ocimum tenuiflorum'.  Tulsi has been cultivated for more than 6000 years.  It is mostly used in Southeast asian countries. Tulsi plant can protect us from many infections.  Let us look at the health benefits of tulsi... 1. ORAL HEALTH: Tulsi...

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Raman Effect - National science day

About Chandrasekhara Venkata Raman (1888-1970) C.V. Raman was born on Nov.7, 1888 in Trichiopoly (Tiruchirapalli). The Raman's family lived on a low income when Raman was born.  C.V. Raman was awarded both Bachelor and Master's degree before Raman turned 20. Why National Science Day is celebrated on Feb.28th? In India, National science day was celebrated first on Feb.28, 1987.  Then onwards we are celebrating National Science...

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LibfreOffice Calc

Getting started with LibreOffice Calc What is LibreOffice Calc?  Calc is the spreadsheet component of LibreOffice, generally we use data which is entered in a spreadsheet and then it can be manipulated, to produce required results.  In LibreOffice Calc, one can use different Functions to perform mathematical based calculations, the main advantage of it is, we can convert calc file into different types of files like HTML, pdf, etc. introduction: Calc consists of spreadsheets, each spreadsheet is divided into various individual...

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PROTEIN FOR EVERYONE

IMPORTANCE OF PROTEIN: (adsbygoogle = window.adsbygoogle || []).push({}); Copy code snippet Throughout every stage in life, our body needs a healthy balance of protein.  Children needs protein for growth and development, adults use protein to build new tissues and to decrease the effects of stress.  Elderly require protein for muscle tone and to have good health.  Protein is the basic building block for muscles and every body components.  Protein provides energy. Which is the best protein source? ...

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JOB ORIENTED COURSES

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COURSES AFTER 12TH STANDARD

What are the eduacational opportunities after completion of 12th standard? In India, we have good educational system, that is 10+2+3 or 10+2+4 system, 10th standard in various states is called as Secondary School Certificate, it is administered by different Boards, after completion of SSC, or 10th standard, a student has the opportunity to select different branches such as MPC, BiPC, MEC, CEC, HEC, Groups.  There are plenty of opportunities after completing these courses.  We have various branches for Mathematics group students and...

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Atal Pension Yojana - Government scheme

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WORLD STUDENTS' DAY - Dr. APJ Abdul kalam birth anniversary

UN Declares APJ Abdul Kalam's Birthday as WORLD STUDENTS' DAY INTRODUCTION: (adsbygoogle = window.adsbygoogle || []).push({});       Let us recollect the inspirational sayings : "YOU HAVE TO DREAM BEFORE YOUR DREAMS COME TRUE." "WITHOUT YOUR INVOLVEMENT YOU CAN'T SUCCEED, WITH OUR INVOLVEMENT YOU CAN'T FAIL." (adsbygoogle = window.adsbygoogle || []).push({}); "IF A COUNTRY IS TO BE CORRUPTION FREE AND BECOME A NATION OF BEAUTIFUL MINDS, I STRONGLY FEEL THERE ARE THREE KEY SOCIETAL MEMBERS WHO CAN...

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