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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MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 19 Online MCQ's Test"

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Physics FSC Part 2 Chapter 19 Online MCQ's Test

00:00
Question # 1

The photoelectric effect predicts that light is made of

Question # 2

Eintein's Photoelectric equation is Ek= hf -∅ in this equation E1, refers to:

Question # 3

Pair production can take place only when energy of radiation is equal and greater than 1.02 MeV, thus correct option is.

Question # 4

The quantity/factor h/moc has the dimensions of.

Question # 5

The concept of direction is purely

Question # 6

All motions are

Question # 7

We can never accurately describes all aspects of sbatomic particles simulatanously. It is correct according to:

Question # 8

Einstein was awarded Nobel prize in physics in

Question # 9

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

Question # 10

Platinum wire becomes white at a temperature of.

Question # 11

The physical quantity related to photon, that does not change in Compton scattering is.

Question # 12

When a very high energy modeules such as y radiation interact with matter, the phenomenon arising will be.

Question # 13

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

Question # 14

Wave nature of light appears in

Question # 15

The Compton effect is associated with

Question # 16

The mass of an object will be doubled at speed.

Question # 17

The wavelength associated with the protons moving at speed of 40 m/s 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 Which one of the following paved the way for modern physics
A. Newtonian mechanics
B. Theory of relativity
C. Quantum theory
D. All of above
2 Which one of the following physical quantities change with relativistic speed?
A. Length
B. Time
C. Mass
D. All of above
3 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
4 If the energy of photon is 10 eV and work function is 5 eV, then the a value of stopping potential will be
A. 50 V
B. 2 V
C. 5 V
D. 15 V
5 Einstein was awarded Nobel prize in physics in
A. 1905
B. 1911
C. 1918
D. 1921
6 Who explained the photo electric effect.
A. Max Plank
B. Einstein
C. Henry
D. Rutherford
7 Maximum Compton shift is observed at.
A. 30oC
B. 90oC
C. 45oC
D. 180oC
8 Disintegration of photon on striking a nucleus into an electron and positron is known as.
A. Annihilation of matter
B. Compton effect
C. Pair production
D. Photo electric effect
9 When platinum is it becomes orange at.
A. 500oC
B. 900oC
C. 1100oC
D. 1300oC
10 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

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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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