| 1 |
If the force of 25 N pulls a stone through a distance of 5 cm in its direction the magnitude of work will be: |
- A. 5 J
- B. 125 J
- C. 175 J
- D. 200 J
|
| 2 |
In Einstein's mass-energy equation ,c is the |
- A. Speed of sound
- B. Speed of light
- C. Speed of electron
- D. Speed of Earth
|
| 3 |
From following, which one is a renewable source of energy? |
- A. Coal
- B. Gas
- C. Sunlight
- D. Petrolum
|
| 4 |
If a body does work at the rate of 1 Js<sup>-1 </sup>then its power will be: |
- A. KW
- B. 1 MW
- C. 1 W
- D. None of these
|
| 5 |
The energy released int he form of nuclear radiations in addition to heat and light is called: |
- A. Mechanical energy
- B. Gravitational energy
- C. Chemical energy
- D. Nuclear energy
|
| 6 |
The ability of a body to do work is known as |
- A. power
- B. energy
- C. kinetic energy
- D. potential energy
|
| 7 |
Which pair of physical quantities has same SI unit? |
- A. energy , power
- B. power , work
- C. energy , work
- D. work , momentum
|
| 8 |
Running water possess energy: |
- A. Kinetic
- B. Potential
- C. Elastic Potential energy
- D. Gravitational potential energy
|
| 9 |
Formula of work is: |
- A. F X S
- B. F X V
- C. F/S
- D. S/F
|
| 10 |
If the direction of motion of the force is perpendicular to the direction of motion of the body, then work done will be |
- A. Maximum
- B. Minimum
- C. Zero
- D. None of these
|
