2nd Year Physics Chapter 20 Online MCQ Test for 12th Class Physics Chapter 20 (Atomic Spectra)

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ICS Part 2 Physics Chapter 20 Online Test MCQ's

Physics ICS Part 2 Chapter 20 Online MCQ's Test

Try the Physics ICS Part 2 Chapter 20 Online MCQ's Test.

  • Total Questions17

  • Time Allowed20

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Physics ICS Part 2 Chapter 20 Online MCQ's Test

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Question # 1

Photons emitted in inner shell transition are.

Question # 2

The radius of 10th orbit in hydrogen atom is.

Question # 3

Target material used in x-rays tube have following properties.

Question # 4

Which of the following is one of the spectral series of atomic hydrogen?

Question # 5

The line radiations emitted from by hydrogen filled discharge tube can be analyzed into.

Question # 6

For Holography we use

Question # 7

Frequency of x-rays depends upon.

Question # 8

The first theory about the structure of an atom was introduced by

Question # 9

1 rad =

Question # 10

Radius of first Bohr's orbit is.

Question # 11

The temperature of core of nuclear reactor is:

Question # 12

A° is the unit of:

Question # 13

The process by which lesser beam can be used to generate 3-dimensional images of objects is called

Question # 14

Reflecting mirrors in laser is used to

Question # 15

For Paschen series, the value of 'n' starts from

Question # 16

The rest mass x ray photon is

Question # 17

X-rays were discovered by

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