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

Einstein was awarded Nobel prize in physics in

Question # 2

Which is the most refined form of matter.

Question # 3

Pair production occurs only when energy of photon is at least equal in:

Question # 4

Earth orbital speed is.

Question # 5

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

Question # 6

If the energy of photon is 10 eV and work function is 5 eV, then the a value of stopping potential will be

Question # 7

Maximum Compton shift is observed at.

Question # 8

The stopping potential for a certain metal is 10 volts. Thus work function for the cathode is.

Question # 9

Compton shift is maximum for scattering angle of photon

Question # 10

The most refined form of matter is:

Question # 11

In the equation if f2 > then

Question # 12

The concept of direction is purely

Question # 13

The unit of Plank's constant 'h' is.

Question # 14

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

Question # 15

Joule second is the unit of.

Question # 16

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

Question # 17

Platinum wire becomes white at a temperature of.

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FSC Part 2 Physics Chapter 19 Online Test MCQ's

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