MDCAT Physics Chapter 11 Dawn of modern Physics Online Test

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  • Chapter NameModern Physics
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MDCAT Physics Chapter 11 Dawn of modern Physics Online Test

  • Total Questions20

  • Time Allowed20

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MDCAT Physics Chapter 11 Dawn of modern Physics Online Test

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Question # 1

Rest mass energy of electron is:

Question # 2

The maximum energy of the photoelectrons can be determined by making the:

Question # 3

In a photocell, cesium coated oxidized silver emits electrons for :

Question # 4

Which of the particles, electron, proton and neutron moving with same speed has longest wave length?

Question # 5

In photoelectric effect, electrons are emitted:

Question # 6

A human eye can detect the electromagnetic radiations of the type:

Question # 7

The maximum kinetic energy of emitted photoelectrons depends upon:

Question # 8

A human eye can detect the electromagnetic radiations of the type:

Question # 9

J.J Thomson finds:

Question # 10

The unit of work function is

Question # 11

Interference and diffraction of light confirms its:

Question # 12

In a photocell, sodium and potassium emit electrons for:

Question # 13

The photoelectric effect was explained by:

Question # 14

In order to increase the K.E of ejected photo electrons, there should be an increase in:

Question # 15

Potassium cathode in photocell emits electrons for a light:

Question # 16

In order to perform experiment, Davisson and Germer used accelerating voltage of:

Question # 17

The unit Compton wavelength is same as:

Question # 18

Davisson and Germer, in their experiment used:

Question # 19

Photoelectric effect and Compton effect prove the:

Question # 20

Moving photons posses:

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