Question :
A) Electrons
B) Electromagnetic radiations
C) Alpha particles
D) Neutrons
Answer : D
out of the following, which is not emitted by radioactive substance?
A) Electrons
B) Electromagnetic radiations
C) Alpha particles
D) Neutrons
Answer : D
Description :
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Magnetism at the centre of a bar magnet is
A) minimum
B) maximum
C) zero
D) minimum or maximum