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 materialization of energy take place in the process of.

Question # 2

A positron is an anti particle of.

Question # 3

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

Question # 4

Earth orbital speed is.

Question # 5

Photo electrons are emitted y using visible light when the metal is.

Question # 6

Wave nature of light appears in

Question # 7

The existence of positron was discovered in:

Question # 8

The energy of photon is givne by

Question # 9

When platinum wire is heated, it changes to cherry red at temperature.

Question # 10

Which one of the following paved the way for modern physics

Question # 11

The existence of positron in 1928 was predicted by

Question # 12

Compton's effect is associated with

Question # 13

When platinum is it becomes orange at.

Question # 14

Platinum wire becomes yellow at a temperature of.

Question # 15

Disintegration of photon on striking a nucleus into an electron and positron is known as.

Question # 16

The minimum frequency needed to emit an electron form metal surface is called:

Question # 17

A block body is an ideal:

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19th Chapter

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 is the most refined form of matter.
A. Smoke
B. Fog
C. Light
D. Electron
2 The energy of the photon of wavelength 500 nm is.
A. 3.10 eV
B. 2.49 eV
C. 1.77 eV
D. 1.52 eV
3 Einstein was awarded Nobel prize in physics in
A. 1905
B. 1911
C. 1918
D. 1921
4 The unit of work function is
A. Electron volt
B. Ampere
C. Volt cell
D. Hz
5 Albert Einstein got noble prize for service in:
A. Pair production
B. Annihilation of matter theory
C. Compton effect
D. Photoelectric effect
6 A positron is an anti particle of.
A. Proton
B. Electron
C. Neutron
D. Photon
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 Einstein photoelectric equation is
D. None of these
9 The existence of positron was discovered in:
A. 1929
B. 1928
C. 1931
D. 1933
10 If an object moves with speed of light, its mass will be.
A. Zero
B. Maximum
C. Minimum
D. infinity

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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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