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

Photodiode is used for wave nature of.

Question # 2

The most refined form of matter is:

Question # 3

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

Question # 4

When the K.E. of photoelectric is zero, the frequency of incident photon is.

Question # 5

The number of electrons emitted depends upon

Question # 6

The materialization of energy take place in the process of.

Question # 7

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

Question # 8

Internal frame is a frame is which

Question # 9

Energy of Black body radiation depends upon

Question # 10

Unit of Stephen's constant is

Question # 11

Platinum wire becomes yellow at a temperature of.

Question # 12

The photoelectric effect predicts that light is made of

Question # 13

Who explained the photo electric effect.

Question # 14

Antiparticle of electron is.

Question # 15

Compton effect proves.

Question # 16

In 1905, the special theory of relativity was proposed by

Question # 17

Maximum Compton shift is observed at.

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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 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
2 The mass of an object will be doubled at speed.
A. 2.6 x 108 m/s
B. 1.6 x 108 m/s
C. 2.6 x 107 m/s
D. 3.6 x 107 m/s
3 De-Broglie waves are associated with
A. Moving charged particles only
B. Moving neutral particles only
C. All moving particles
D. All parties whether in motion or at rest
4 The Compton effect is associated with
A. X-rays
B. y-rays
C. Positive rays
D. ß-rays
5 Unit of Stephen's constant is
A. W m K-2
B. W m-2 K-4
C. W m K-4
D. None
6 Eintein's Photoelectric equation is Ek= hf -∅ in this equation E1, refers to:
A. K.E of al the emited electrons
B. Mean K.E of emited electrons
C. Maximum K.E of emited electrons
D. Minimum K.E of emited electrons
7 unit of Plank's constant is same as that of.
A. Acceleration
B. Angular momentum
C. Linear momentum
D. Entropy
8 Photo electrons are emitted y using visible light when the metal is.
A. sodium
B. Copper
C. Nicked
D. Cobalt
9 A positron is an anti particle of.
A. Proton
B. Electron
C. Neutron
D. Photon
10 Earth orbital speed is.
A. 10 km/s
B. 20 km/s
C. 30 km/s
D. 40 km/s

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  • Ali raza

    Ali raza

    09 Dec 2017

    Helpful

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    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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