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Physics

Physics
Gamma rays can cause

Fever
Burning
Sneezing
Gene mutation

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Physics
The absolute refractive index of any medium is always:

More than one
Less than one
1

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Physics
Why does'nt the hydrogen atom emit X-rays?

It is highly electropositive
It is very small in size
Its energy levels are very close to each other
It has only one electron

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Physics
The radiant energy having lowest energy is

Gamma rays
Microwave radiation
Visible light
UV rays

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Physics
The unit of energy in MKS system is

Erg
Volt
Joule
Ohm

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Physics
The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes?

1.0479166666667
0.21041666666667
2.0958333333333
0.12847222222222

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MORE MCQ ON Physics

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