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  • Strike while the iron is hot !
    AskPhysics Blog Feed Dear students, CBSE has given you more time for exams. We have approximately 7 days before the Physics exams. How to use this seven days effectively for a thorough revision is very important. 7-8 days of sleeping is a must. One hour of exercise 1 to 2 hours for break fast lunch […]
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    AskPhysics Blog Feed I was recently narrating the life story of a girl from Dindigul who got married to a police constable at the age of 14. She was not even reached class 10. She became the mother of two kids by the age of 18. During that time she had to accompany her husband […]
  • “DID THOSE PHILOSOPHERS WORK IN VAIN”
    AskPhysics Blog Feed “The Philosophers who worked in search of the Philosophers’ stone and those set themselves dedicated to find the elixir of life”The works of those in search of the Philosopher’s stone didn’t go in vain, They made the beginning. The beginning itself was so wonderful that anyone who got touched by the idea […]
  • Quarks, conservation, entanglement
    AskPhysics Blog Feed Doubt from AskPhysics.comI have heard the following statements-> 1. Quarks always exist in a group of 2 or 3, and can not stand alone. 2. Protons are made up of 2 up quarks, and 1 down quark. 3. Quantum mechanics allows us to entangle a particle by somehow dividing it into 2(For […]
  • Prepare for Physics oral test too during lockdown
    AskPhysics Blog Feed Plus Two Physics Oral Test series Many schools have started oral questioning also as part of diagnostic and formative assessment. The initiative was … Prepare for Physics oral test too during lockdown The post Prepare for Physics oral test too during lockdown appeared first on Ask Physics.
  • Theory of Relativity
    AskPhysics Blog Feed The basic concepts of relativity are explained in a very simplified way that are easy to understood by Mr. Vivek Sawhney in this YouTube Video… The video focuses upon the general discussion on Theory of Relativity….What is the theory of Relativity? What is time dilation and length contraction? SUBSCRIBE to the YouTube […]
  • A numerical problem from motion in 1 Dimension
    AskPhysics Blog Feed A boy plays with a ball on a field surrounded by a fence which has a height of 2.5m . He kicks the ball vertically up from a height of 0.4m with a speed of 14 ms−1. (a) What is the maximum height of the ball above the fence? (b) What is […]

Latest Board Sample Papers and Guess Papers

Hi!
Now is the time to buy sample question papers and Guess papers to excel in Board Exams. Just click the link below and you can buy CBSE Sample Papers and Guess papers at lowest price. There a wide range of them and you can select the ones of your choice.
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Random collection of Physics Viva Questions

  1. State the Principle of a potentiometer. (The students say that potential drop is proportional to length but the constant quantities are not mentioned)
  2. How can we increase the sensitivity of a potentiometer?
  3. Define figure of merit of a galvanometer.
  4. Which has more resistance – a galvanometer or a milliammeter?
  5. How does an LED emit light?
  6. What is the difference between an ordinary diode and an LED?
  7. Define principal axis of a convex lens?
  8. What happens to the focal length of a concave mirror if it is immersed in water?
  9. What are the factors affecting the internal resistance of a cell?
  10. What are the difference between primary and secondary cell?
  11. Why can’t we use a dry cell for starting a car?
  12. What happens to the resistivity of a wire when it is doublefolded?
  13. How does the resistance of a wire depend on its dimensions?
  14. Why are the resistances used in a resistance box is like 1,2,2,5,10,20,20,50,100,200,200,500,1000,2000,2000,5000 etc?
  15. Why constantan or manganin wires are used for making the resistance coils in resistance box?
  16. What is a standard resistance?
  17. What are the characteristics of a standard resistance?
  18. What are the precautions to be observed while doing electricity experiments in general?
  19. What is a galvanometer?
  20. What is the resistance of an ideal ammeter?
  21. Why is ammeter always connected in series and voltmeter always connected in parallel?
  22. How can we convert a galvanometer into an ammeter or a voltmeter?
  23. What is shunt?
  24. What is AVO meter?
  25. What is the effect of temperature on the resistance of a conductor?
  26. Why does the resistance of a conductor increases with temperature, whereas that of a semiconductor decreases with temperature.
  27. What is conductance?
  28. What are non ohmic devices? give an example.
  29. What are superconductors?
  30. Define emf
  31. Why emf is said to be a misnomer?
  32. What happens if the battery used in the primary circuit of a potentiometer has less emf compared to the emf of the cell used in the secondary circuit?
  33. If you find that the galvanometer reading is shaky, what error can you expect?
  34. What do you mean by figure of merit of a galvanometer?
  35. Why a moving coil galvanometer is called so?
  36. What is the principle of a galvanometer?

Download sample question papers from CBSE

 

Sample Question Paper for Class IX & X for Term II (Second Term – March 2012)
Sample Question Paper, Syllabus and Guidelines for Class IX & X for Term I (First Term – Setember 2011)
Sample Question Paper for Class IX & X for Term II (Second Term – March 2011)
Sample Question Paper for Class IX & X for Term I (First Term, September 2010)
Sample Question Paper for Board Exam 2012 (Class XII)
Sample QP & Marking Schemes for Board Exam 2011 (Class XII)
Previous Year Question Papers 2011 and Marking Scheme
Previous Year Question Papers (2010) and Marking Scheme


Pseudo force and solving problems

Sir,can we solve problem without considering pseudo forces in non inertial frame?(give an example)

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A Numerical from Combination of thin lenses in contact

Two thin lenses of focal lengths f1=20cm and f2=60cm are placed in contact. find the focal length f3 of the combined lenses. find also the focal length f of a third lens placed in contact with these two that would result in overall focal length f11=-40cm. (Asked Young)

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How to excel in Green Olympiad?

Green Olympiad is and exam conducted by TERI (The Energy and Resources Institute) to sensitize school children (Classes 8, 9 and 10) on environmental issues. Thousands of schools from India and abroad participate in this Olympiad. The paper consists of 100 multiple choice questions. Each question deals with one environmental issue or the other. The questions are set in such a way that reading the question once itself generates some awareness or thoughts related to environmental issues in the minds of children. 60% of the questions are purely on environmental affairs, 25% on the theme of the year and the rest 15% is based on current affairs.

How to Excel in Green Olympiad?

The only way to excel is to be thorough with current affairs pertaining to environmental issues and have a record of as much details as possible regarding the environment.

Some of the areas of great concern are

: Global Warming

: Pollution

: Population

: Climate Change

(Have you got some idea? Post them as comments here)

A too simple question paper from Physics (Magnetic effects of current and magnetism) for class XII

If you find these question easy to answer, well and good. If you don’t, please revise these portions thoroughly. These are based on just the minimum level of learning expected from a Class XII student. State Gauss theorem in magnetism. Define the terms retentivity and coercivity. Which direction will a magnetic compass show when it […]

Related posts:

  1. Magnetism and magnetic Effects of Current Question Bank for Class 12 CBSE
  2. REVISION QUESTIONs FROM MAGNETISM & MAGNETIC EFFECTS OF CURRENT
  3. Magnetic Effefts of Current and Magnetism : Physics Revision Test for Class XII
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