Second Year Physics Chapter 20 Online MCQ Test for 2nd Year Physics Chapter 20 Atomic Spectra Preparation

FSC Part 2 Physics
Chapter 20 Test

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Physics FSC Part 2 Chapter 20 Online MCQ's Test

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Question # 1

An atom can reside in excited state for

Question # 2

X- ray diffraction reveals that these are

Question # 3

The radius of hydrogen atom is:

Question # 4

If 13.6 eV energy is required to ionize the hydrogen atom, then the required energy to remove an electron from n=2 is:

Question # 5

The typical nuclei are less than:

Question # 6

The value of Rydberg constant is

Question # 7

 Charge on an atom is:

Question # 8

The series in visible region is:

Question # 9

If the ionization energy of hydrogen atom is 13.6 eV, its ionization potential will be

Question # 10

The Balmer series is obtained when all the transition of electrons terminate on

Question # 11

Which of the following series of hydrogen spectrum lies in ultra violet region.

Question # 12

The series in infrared region is:

Question # 13

Bremsstrahlung radiation are examples of

Question # 14

Kx -Xrays are produced due to transition of electron from.

Question # 15

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

Question # 16

Charge on positron is:

Question # 17

1 rad =

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FSC Part 2 Physics Chapter 20 Online Test MCQ's

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