The curve between current (i) and potential difference (V) for a photo cell will be
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(a)
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(b)
|
(c)
|
(d)
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The curve between current (i) and potential difference (V) for a photo cell will be
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(a)
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(b)
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(c)
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(d)
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(d)

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As per Bohr model, the minimum energy (in eV) required to remove an electron from the ground state of doubly ionized Li atom (Z = 3) is
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(a) 1.51 |
(b) 13.6 |
(c) 40.8 |
(d) 122.4 |
A logic gate is an electronic circuit which
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(a) Makes logic decisions |
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(b) Allows electrons flow only in one direction |
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(c) Works binary algebra |
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(d) Alternates between 0 and 1 values |
The energy liberated on complete fission of 1 kg of
is (Assume 200 MeV energy is liberated on fission of 1 nucleus)
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(a) 8.2 |
(b) 8.2 |
(c) 8.2 |
(d) 8.2 |
If a glass prism is dipped in water, its dispersive power:
For a metallic wire, the ratio V/i (V = the applied potential difference, i = current flowing) is
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(a) Independent of temperature |
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(b) Increases as the temperature rises |
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(c) Decreases as the temperature rises |
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(d) Increases or decreases as temperature rises, depending upon the metal |