DIRECTIONS : Questions based on Physics.
26. |
What is the main constituent of coal gas? |
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A. Oxygen |
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B. Water |
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C. Nitrogen |
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D. Methane |
27. |
Old written material, which cannot be read easily, can be read by |
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A. Cosmic rays |
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B. Ultraviolet rays |
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C. Infrared rays |
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D. none of these |
28. |
If the distance between two masses is increased by a factor of 2, the gravitational force of attraction between them will |
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A. reduce by a factor of 4 |
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B. reduce by a factor of 2 |
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C. remain Same |
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D. increase by a factor of 2 |
29. |
The current I drawn from the 5 volt source will be |
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A. 0.17 A |
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B. 0.33 A |
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C. 0.5 A |
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D. 0.67 A |
30. |
A red object, when seen through a thick blue glass, appears |
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A. White |
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B. Black |
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C. Blue |
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D. None of these |
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