1. Pa(Pascal) is the unit for

2. Planets do not twinkle because

3. Metals are good conductors of electricity because

4. Let a thin capillary tube be replaced with another tube of insufficient length then, we find water

5. The language of discourses of Gautama Buddha was

6. If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same

7. Pick out the scalar quantity

8. Rectifiers are used to convert

9. out of the following, which is not emitted by radioactive substance?

10. Sound waves in air are