Electron, Photon, Photo-electric Effect and X-Rays-I Physics Test Series For NEET-2020

Test Preparation on Electron, Photon, Photo-electric Effect and X-Rays - I Physics Test Series For NEET-2020

1.

1A
2B
3C
4D

2.

In the phenomenon of electron discharge through gases at
low pressure, the coloured glow in the tube appears as a
result of

1Collisions between the charged particles emitted from the cathode and the atoms of the gas
2Collision between different electrons of the atoms of the gas
3Excitation of electrons in the atoms
4Collision between the atoms of the gas

3.

1A
2B
3C
4D

4.

1A
2B
3C
4D

5.

1A
2B
3C
4D

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