Question :

out of the following, which is not emitted by radioactive substance?

A) Electrons
B) Electromagnetic radiations
C) Alpha particles
D) Neutrons

Answer : D

Description :

Related Questions - 1

It is easier to roll a stone up a sloping road than to lift it vertical upwards because

A) work done in rolling is more than in lifting
B) work done in lifting the stone is equal to rolling it
C) work done in both is same but the rate of doing work is less in rolling
D) work done in rolling a stone is less than in lifting it

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Related Questions - 2

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

A) amplitude
B) velocity
C) wavelength
D) frequency

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Related Questions - 3

Rectifiers are used to convert

A) Direct current to Alternating current
B) Alternating current to Direct current
C) high voltage to low voltage
D) low voltage to high voltage

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Related Questions - 4

Light from the Sun reaches us in nearly

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

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Related Questions - 5

Mirage is due to

A) unequal heating of different parts of the atmosphere
B) magnetic disturbances in the atmosphere
C) depletion of ozone layer in the atmosphere
D) equal heating of different parts of the atmosphere

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