- AThe negative charges.
- BThe positive charges.
- CThe field between the plates.
- DBoth (a) and (b).
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The energy stored in the condenser is
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(a) QV |
(b) |
(c) |
(d) |
The image of an extended object, placed perpendicular to the principal axis of a mirror, will be erect if:
Assertion : The tyres of aircraft's are slightly conducting.
Reason : If a conductor is connected to ground, the extra charge induced on conductor will flow to ground.
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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. |
absorbs an energetic neutron and emits beta particles. The resulting nucleus is
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(a) |
(b) |
(c) |
(d) |
In beta decay
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(a) The parent and daughter nuclei have same number of protons |
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(b) The daughter nucleus has one proton less than the parent nucleus |
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(c) The daughter nucleus has one proton more than the parent nucleus |
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(d) The daughter nucleus has one neutron more than the parent nucleus |