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 numerical value of Compton wavelength is equal to

Question # 2

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

Question # 3

Joule second is the unit of.

Question # 4

Minimum energy needed to escape an electron  ofrm metal surface is called:

Question # 5

In an nihilation emitted photons moves in opposite directions to conserve.

Question # 6

When platinum is it becomes orange at

Question # 7

The Compton effect is associated with

Question # 8

The energy of photon is givne by

Question # 9

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

Question # 10

The most refined form of matter is:

Question # 11

1 kg mass will be equivalent to energy.

Question # 12

The mass of an object will be doubled at speed.

Question # 13

A positron is an anti particle of.

Question # 14

Which is the most refined form of matter.

Question # 15

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

Question # 16

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

Question # 17

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

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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 Who explained the photo electric effect.
A. Max Plank
B. Einstein
C. Henry
D. Rutherford
2 Platinum wire becomes white at a temperature of.
A. 1600oC
B. 1300oC
C. 1100oC
D. 900oC
3 Einstein was awarded Nobel prize in physics in
A. 1905
B. 1911
C. 1918
D. 1921
4 Albert Einstein got noble prize for service in:
A. Pair production
B. Annihilation of matter theory
C. Compton effect
D. Photoelectric effect
5 The Compton effect is associated with
A. X-rays
B. y-rays
C. Positive rays
D. ß-rays
6 The photon with energy greater than 1.02 MeV can interact with matter as.
A. Photoelectric effect
B. Compton effect
C. Pair production
D. annihilation of matter
7 Compton shift is maximum for scattering angle of photon
A. 0o
B. 90o
C. 180o
D. 45o
8 Platinum wire becomes yellow at a temperature of.
A. 900 oC
B. 1300oC
C. 1600oC
D. 500oC
9 The principle regarding the dual nature of light was first discovered by
A. Heisenberg
B. Compton
C. J.J.Thomson
D. De-Broglie
10 In 1905, the special theory of relativity was proposed by
A. Einstein
B. Bohr
C. Maxwell
D. De Broglie

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