1ST YEAR PHYSICS GUESS PAPER.pdf

CHAPTER NO. 1 MEASUREMENTS SHORT QUESITON: 1. What is meant by the term precision? Explain briefly with an example. 2. If a precise measurement is also an accurate measurement. Explain your answer. 3. What are the dimensions and unit of gravitational F = GmM/r2 . 4. Write the dimensions of viscosity and angular velocity. 5. Show that the famous “Einstein equation” E = mc2 is dimensionally consistent. 6. What is physical significance of dimension of physical quantity? 7. Calculate the distance covered by the light in free space in one year. 8. Write down the two uses of dimension analysis. 9. Does a dimensional analysis give any information of constant of proportionality that may appear in an algebraic expression? Explain

1ST YEAR PHYSICS GUESS PAPER.pdf

CHAPTER NO. 1 MEASUREMENTS

SHORT QUESITON:

1. What is meant by the term precision? Explain briefly with an example.

2. If a precise measurement is also an accurate measurement. Explain your

answer.

3. What are the dimensions and unit of gravitational F = GmM/r2

.

4. Write the dimensions of viscosity and angular velocity.

5. Show that the famous “Einstein equation” E = mc2

is dimensionally

consistent.

6. What is physical significance of dimension of physical quantity?

7. Calculate the distance covered by the light in free space in one year.

8. Write down the two uses of dimension analysis.

9. Does a dimensional analysis give any information of constant of

proportionality that may appear in an algebraic expression? Explain





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