Assertion : Diamond glitters brilliantly.
Reason : Diamond does not absorb sunlight.
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(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. |
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(b) If both assertion and reason are true but reason is not the correct explanation of the assertion. |
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(c) If assertion is true but reason is false. |
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(d) If the assertion and reason both are false. |
(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.
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and 
ions are projected on the photographic plate with same velocity in a mass spectrograph. Which one will strike farthest
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(a) |
(b) |
(c) |
(d) |
The ammeter A reads 2 A and the voltmeter V reads 20 V. the value of resistance R is (Assuming finite resistance's of ammeter and voltmeter)
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(a) Exactly 10 ohm |
(b) Less than 10 ohm |
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(c) More than 10 ohm |
(d) We cannot definitely say |
Long distance short-wave radio broadcasting uses
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(a) Ground wave |
(b) Ionospheric wave |
(c) Direct wave |
(d) Sky wave |
Out of gravitational, electromagnetic, Vander Waals, electrostatic and nuclear forces; which two are able to provide an attractive force between two neutrons
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(a) Electrostatic and gravitational |
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(b) Electrostatic and nuclear |
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(c) Gravitational and nuclear |
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(d) Some other forces like Vander Waals |
