×
19th Chapter

### 12th Class Physics Chapter 19 Test

Here you can prepare 12th Class Physics Chapter 19 Dawn of Modern Physics Test. Click the button for 100% free full practice test.

## Second Year Physics Chapter 19 Online MCQ Test for 2nd Year Physics Chapter 19 Dawn of Modern Physics Preparation

This online test contains MCQs about following topics:.

- Relative Motion - Frames of Reference - Special Theory of Relativity - Black Body Radiation - Interaction of Electromagnetic Radiation With Matter - Annihilation of Matter - Wave Nature of Particles - Uncertainty Principle

FSC Part 2 Physics Ch 19 Test

### Second Year Physics Chapter 19 Online MCQ Test for 2nd Year Physics Chapter 19 Dawn of Modern Physics Preparation

1 The mass of an object will be doubled at speed.
• A. 2.6 x 10<sup>8</sup> m/s
• B. 1.6 x 10<sup>8 </sup>m/s
• C. 2.6 x 10<sup>7 </sup>m/s
• D. 3.6 x 10<sup>7</sup> m/s
2 In Compton scatting, the value of shift is equal to Compton's wavelength, when X-rays is scattered at the angle of.
• A. 90<sup>o</sup>C
• B. Zero
• C. 120<sup>o</sup>C
• D. 45<sup>o</sup>C
3 Which is the most refined form of matter.
• A. Smoke
• B. Fog
• C. Light
• D. Electron
4 Pair production cannto take place in vacuum because :
• A. Mass in not conserved
• B. Momentum is not conserved
• C. Energy is not conserved
• D. Charge is not conserved
5 When platinum is it becomes orange at
• A. 500<sup>o</sup>C
• B. 900<sup>o</sup>C
• C. 1100<sup>o</sup>C
• D. 1300<sup>o</sup>C
6 Photo electrons are emitted y using visible light when the metal is.
• A. sodium
• B. Copper
• C. Nicked
• D. Cobalt
7 In Compton effect the photon behaves as a.
• A. Wave
• B. Particle
• C. Nucleon
• D. Both a and b
8 An electron miroscope emplys which to one of the following particles?
• A. Electron ahve a wave nature
• B. Electrons can be focused by an electric field
• C. Electrons can be focused by a magnetic field
• D. All of the above
9 The value of Stefan is constant is:
• A. 4.57 x 10<sup>-8</sup> m<sup>2</sup>k<sup>2</sup>
• B. 5.67 x10<sup>-8</sup> wm<sup>-2</sup>k<sup>-4</sup>
• C. 6.67x 10<sup>-11</sup> wm<sup>2</sup>k<sup>4</sup>
• D. 7.45 x &nbsp;10<sup>-9</sup> m<sup>2</sup> wk<sup>3</sup>
10 Wave nature of light appears in
• A. Pair production
• B. Compton effect
• C. Photo electric
• D. Interference

### Top Scorers of Physics Fsc Part 2 Chapter 8 Online Test

A

#### Amna Khan

Lahore22 - Apr - 2024

17/17
01 Mins 46 Sec
M

#### Moaz Vahedy

Lahore20 - Apr - 2024

17/17
01 Mins 47 Sec
M

#### Moaz Vahedy

Lahore20 - Apr - 2024

17/17
01 Mins 54 Sec
M

#### Moaz Vahedy

Lahore20 - Apr - 2024

17/17
01 Mins 58 Sec
T

#### Talha Shahid

Lahore07 - Mar - 2024

17/17
02 Mins 11 Sec
M

#### Moaz Vahedy

Lahore20 - Apr - 2024

17/17
02 Mins 12 Sec
M

#### Moaz Vahedy

Lahore20 - Apr - 2024

17/17
02 Mins 12 Sec
M

#### Moaz Vahedy

Lahore20 - Apr - 2024

17/17
02 Mins 14 Sec
M

#### Moaz Vahedy

Lahore20 - Apr - 2024

17/17
02 Mins 26 Sec
T

#### Talha Shahid

Lahore07 - Mar - 2024

17/17
06 Mins 07 Sec
M

#### Moaz Vahedy

Lahore20 - Apr - 2024

16/17
02 Mins 12 Sec
M

#### Moaz Vahedy

Lahore20 - Apr - 2024

16/17
02 Mins 14 Sec
M

#### Malik Bilal

Lahore15 - Apr - 2024

16/17
02 Mins 23 Sec
M

#### Moaz Vahedy

Lahore20 - Apr - 2024

16/17
02 Mins 26 Sec
N

Lahore23 - Apr - 2024

16/17
02 Mins 58 Sec

Sort By:
• S

09 Dec 2017

Like
• I

11 Aug 2017

10/17

Like
• T

#### Tayyab

30 Apr 2016

good and very helpful for exam preparation

Like
X

to continue to ilmkidunya.com

Fill the form. Our admission consultants will call you with admission options.

X

to continue to ilmkidunya.com

X

to continue to ilmkidunya.com

X