MDCAT Physics Chapter 15 MCQ Test With Answer for Physics chapter 15 (Modern Physics)

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MDCAT Physics Chapter 15 Test

MDCAT Physics Chapter 15 Modern Physics Online Test

Try the MDCAT Physics Chapter 15 Modern Physics Online Test.

  • Total Questions20

  • Time Allowed20

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MDCAT Physics Chapter 15 Modern Physics Online Test

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Question # 1

Photo cells are used for :

Question # 2

In photoelectric effect, if we increase the frequency of the incident light then of the electrons increased

Question # 3

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

Question # 4

Photo cells is a device which convert light into:

Question # 5

Rest mass energy of electron is:

Question # 6

The energy of photon of wavelength 1240 nm is:

Question # 7

In a photocell, sodium and potassium emit electrons for:

Question # 8

Moving photons posses:

Question # 9

The number of electrons emitted depend upon

Question # 10

In a photocell, certain metal emits electrons for :

Question # 11

The dimensions of Planck’s constant “h” are same as that of:

Question # 12

There is a certain frequency below which no electrons are emitted from the metal surface, this frequency is known as:

Question # 13

J.J Thomson finds:

Question # 14

The maximum kinetic energy of emitted photoelectrons depends upon:

Question # 15

The energy of photon of energy 1 eV is:

Question # 16

Photoelectric effect and Compton effect prove the:

Question # 17

The maximum energy of the photoelectrons depends upon:

Question # 18

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

Question # 19

The photoelectric effect was explained by:

Question # 20

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

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