| 1 |
Einstein's mass-energy equation relation is: |
- A. E =1/2 mc<sup>2</sup>
- B. E =mc<sup>2</sup>
- C. E =m<sup>2</sup>c
- D. E = 2 mc<sup>2</sup>
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| 2 |
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
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| 3 |
When a body is lifted through a height the work done on its appears in the form of its: |
- A. Kinetic energy
- B. Potential energy
- C. Elastic potential energy
- D. Geothermal energy
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| 4 |
1 MJ= |
- A. 10<sup>3</sup> J
- B. 10<sup>6</sup>J
- C. 10<sup>7</sup>J
- D. 10<sup>-3</sup>J
|
| 5 |
The energy stored in dam is: |
- A. Potential energy
- B. Kinetic energy
- C. Chemical enegy
- D. Nuclear energy
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| 6 |
The S.I unit of power is: |
- A. Newton
- B. Watt
- C. Joule
- D. Coulomb
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| 7 |
In Einstin's mass energy equation, c is the : |
- A. Speed of sound
- B. Speed of light
- C. Speed if volume
- D. None of these
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| 8 |
Kinetic and potential energy are the kinds of energy: |
- A. Chemical
- B. Nuclear
- C. Light
- D. Mechanical
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| 9 |
The S.I unit of power is : |
- A. j/s2
- B. J
- C. W
- D. J/M2
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| 10 |
The tendency of doing work is called : |
- A. Time
- B. Energy
- C. Force
- D. Area
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