Question :

Magnetism at the centre of a bar magnet is


A) minimum
B) maximum
C) zero
D) minimum or maximum

Answer : C

Description :



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Light from the Sun reaches us in nearly


A) 2 minutes
B) 4 minutes
C) 8 minutes
D) 16 minutes

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Of the following properties of a wave, the one that is independent of the other is its


A) amplitude
B) velocity
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out of the following, which is not emitted by radioactive substance?


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