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

The unit of work function is

Question # 2

In Compton effect the photon behaves as a.

Question # 3

The value of Stefan is constant is:

Question # 4

In the equation if f2 > then

Question # 5

Wave nature of particle was given by:

Question # 6

Anti particle of electron is

Question # 7

Einstein was awarded Nobel prize in physics in

Question # 8

Energy of Black body radiation depends upon

Question # 9

The existence of positron was discovered in:

Question # 10

Who explained the photo electric effect.

Question # 11

The most refined form of matter is:

Question # 12

Albert Einstein got noble prize for service in:

Question # 13

In 1905, the special theory of relativity was proposed by

Question # 14

All motions are

Question # 15

In Compton scatting, the value of shift is equal to Compton's wavelength, when X-rays is scattered at the angle of.

Question # 16

The position has charge which is in magnitude equal to the charge on

Question # 17

Application of wave like nature of particle is

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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 Compton shift is maximum for scattering angle of photon
A. 0o
B. 90o
C. 180o
D. 45o
2 When the K.E. of photoelectric is zero, the frequency of incident photon is.
A. Less than
B. greater than
C. Equal to
D. Much greater
3 Photodiode is used for wave nature of.
A. Light
B. Thermal radiation
C. Radi waves
D. Sound waves
4 The value of Stefan is constant is:
A. 4.57 x 10-8 m2k2
B. 5.67 x10-8 wm-2k-4
C. 6.67x 10-11 wm2k4
D. 7.45 x  10-9 m2 wk3
5 If an object moves with speed of light, its mass will be.
A. Zero
B. Maximum
C. Minimum
D. infinity
6 Einstein photoelectric equation is
D. None of these
7 When platinum is heated is become dull red at:
A. 900°C
B. 500°C
C. 800°C
D. 1100°C
8 The dimensions of Plank's constant is same as that of.
A. Energy
B. Power
C. Acceleration
D. Angular momentum
9 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
10 In Compton effect the photon behaves as a.
A. Wave
B. Particle
C. Nucleon
D. Both a and b

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  • Ali raza

    Ali raza

    09 Dec 2017

    Helpful

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  • Intikhab

    Intikhab

    11 Aug 2017

    10/17

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  • tayyab

    tayyab

    30 Apr 2016

    good and very helpful for exam preparation

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