Second Year Physics Chapter 19 Online MCQ Test for 2nd Year Physics Chapter 19 Dawn of Modern Physics Preparation

FSC Part 2 Physics
Chapter 19 Test

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Physics FSC Part 2 Chapter 19 Online MCQ's Test

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Question # 1

Max planck received noble prize in:

Question # 2

Wave nature of particle was given by:

Question # 3

1 kg mass will be equivalent to energy.

Question # 4

Compton shift is maximum for scattering angle of photon

Question # 5

In the equation if f2 > then

Question # 6

Which one of the following physical quantities change with relativistic speed?

Question # 7

When platinum is heated is become dull red at:

Question # 8

Number of electros emitted in photo electric effect depend upon.

Question # 9

The mass of an object will be doubled at speed.

Question # 10

Maximum Compton shift is observed at.

Question # 11

Energy of Black body radiation depends upon

Question # 12

unit of Plank's constant is same as that of.

Question # 13

The principle regarding the dual nature of light was first discovered by

Question # 14

Compton's effect is associated with

Question # 15

If the energy of photon is 10 eV and work function is 5 eV, then the a value of stopping potential will be

Question # 16

When platinum is it becomes orange at

Question # 17

Using relativistic effects the location of an air craft after an hour fight can be predicated about

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FSC Part 2 Physics Chapter 19 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The value of Wien's constant:
A. 2.9x10-3mk
B. 2.19x10-7mk
C. 3.18 x106 km-1
D. 6.21 x 10-9m2wk3
2 The physical quantity related to photon, that does not change in Compton scattering is.
A. Energy
B. Speed
C. Frequency
D. Wavelength
3 All motions are
A. Absolute
B. Uniform
C. Relative
D. Variable
4 The Compton effect is associated with
A. X-rays
B. y-rays
C. Positive rays
D. ß-rays
5 The wavelength associated with the protons moving at speed of 40 m/s is.
A. 7.20 nm
B. 9.02
C. 15.7 nm
D. 17.3 nm
6 Einstein was awarded Nobel prize in physics in
A. 1905
B. 1911
C. 1918
D. 1921
7 1 kg mass will be equivalent to energy.
A. 9 x 108 J
B. 9 X 1012 J
C. 9 X 1016 J
D. 9 X 1019 J
8 Compton effect proves.
A. Wave nature of radiation
B. Wave nature of particle
C. Dual nature of particle
D. Particle nature of radiations
9 Antiparticle of electron is.
A. proton
B. Photon
C. Positron
D. Neutron
10 The numerical value of Compton wavelength is equal to
A. 3.43 x 10-12 m
B. 1.43 x 10-12m
C. 2.43 x 10-12m
D. 0.43 x 10-12m

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