PHYSICS
Class 11
Short Questions
Chapter 4
| Q 1 | A bucket is taken to the bottom of a well, does the bucket possess any P.E. Explain. |
| Q 2 | When an arrow is shot from its bow, it has K.E. From where does it get the K.E? |
| Q 3 | Does a hydrogen filled baloon possess any P.E? Explain. |
| Q 4 | Is K.E a vector quantity? |
| Q 5 | What happens to K.E of a bullet when it penetrates into the target? |
| Q 6 | Does the tension in the string of a swinging pendulum do any work? Explain. |
| Q 7 | A meteor when enters into the earth’s atmosphere burns. What happens to its energy? |
| Q 8 | What type of energy is stored in the spring of watch? |
| Q 9 | A man drops a cup from a certain height, which breaks into pieces. What energy changes are involved? |
| Q 10 | A man rowing boat upstream is at rest with respect to shore, is he doing work? |
| Q 11 | Why energy savers are used instead of normal bulbs? |