1 |
Water freezes at: |
- A. 0° F
- B. 32°F
- C. -273 K
- D. 0 K
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2 |
A string is stretched by two equal and opposite forces 10 N each. The tension in the string is |
- A. Zero
- B. 5N
- C. 10N
- D. 20N
|
3 |
The orbital velocity of a satellite revolving at height 'h' above the surface of Earth is given by |
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4 |
The mathematical formula of thermal conductivity is |
- A. k =Q/t x L/A (T1 - T2)
- B. k =Q/t x L/A (T1 + T2)
- C. k =t/Q x L/A (T1 - T2)
- D. k =2Q/t x L/A (T1 + T2)
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5 |
The energy store in an atom or molecule due to intermolecular force is: |
- A. Kinetic energy
- B. Potential energy
- C. Internal energy
- D. G.P.E
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6 |
Value of g increases with the |
- A. Increases in mass of the body
- B. Increase in altitude
- C. Decreases in altitude
- D. None of the above
|
7 |
Which of the substance is lightest one? |
- A. Copper
- B. Aluminium
- C. Mercury
- D. Lead
|
8 |
Most of the matter that fills the universe is in state: |
- A. Solid
- B. Plasma
- C. Liquid
- D. Gas
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9 |
According to law of conservation of energy increases K.E is equal to: |
- A. Increase P.E
- B. Decrease P.E
- C. Decrease K.E
- D. None of these
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10 |
Which of following units is equal to Kgm<sup>2</sup> s<sup>-2</sup> |
- A. Newton
- B. Joule
- C. Watt
- D. Coloumb
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