1 |
Identity the non conservative force among the following. |
- A. Frictional force
- B. Electrical force
- C. Gravitational force
- D. Elastic restoring force
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2 |
The unit of solar light inversely is |
- A. Watt
- B. kW m-2
- C. Watt m-2
- D. 1 m2
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3 |
Watt -m2 is the unit of |
- A. Energy
- B. Intensity
- C. Power
- D. Work
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4 |
Two quantities involved in work are |
- A. Force and speed
- B. Force and velocity
- C. Force and displacement
- D. Force and acceleration
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5 |
The frictional force is |
- A. Conservative force
- B. Non conservative force
- C. Electric force
- D. Magnetic force
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6 |
The dimensions of work are |
- A. MLT<sup>-1</sup>
- B. MLT<sup>-2</sup>
- C. ML<sup>2</sup>T<sup>-2</sup>
- D. ML<sup>-1</sup>T<sup>-1</sup>
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7 |
If velocity 'v' of an object is double, then K.E. because. |
- A. Remain same
- B. Sixteen times
- C. Double
- D. Four times
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8 |
Hot igneous rocks, usually in molten or partly molten state are found in the depth of |
- A. 5 km
- B. 10 km
- C. 15 km
- D. 20 km
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9 |
Which one is renewable source of energy. |
- A. Coal
- B. Uranium
- C. Biomass
- D. Natural gas
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10 |
_______ is bio fuel |
- A. Water
- B. Petrol
- C. Ethanol
- D. Oil
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