Punjab 12th Class Physics Chapter 8 Dawn of Modern Physics Mcqs Test Online

Total Question
9 Questions
Total Marks
18 Marks
Total Time
9 Minuts
Test Help For ::

12th Class Physics Promotion Test
Physics Test For Entry Test
Scholarship Test
Admission Test
Competitive Exams
All Punjab Boards Annual Exams



Test Name



Ch. 8 # Dawn of Modern Physics

Subject



Physics (12th Class)

Test Type



MCQs


Punjab 12th Class Physics Chapter 8 Dawn of Modern Physics Mcqs Test Online

Punjab 12th Class Physics Chapter 8 Dawn of Modern Physics Mcqs Test Online

 

Question 1 of 9

Physics

1. Pair production occurs only when energy of photon is at least equal to:
1.
2.
3.
4.

Question 1 of 9

Question 2 of 9

2. If the K.E of free electron double, its de Broglie wavelength changes by the factor.
1.
2.
3.
4.

Question 2 of 9

Question 3 of 9

3. Einstein’s photoelectric equation is Ek = hf = φ in this equation Ek refers to:

 
1.
2.
3.
4.

Question 3 of 9

Question 4 of 9

4. A perfect absorber must be also be perfect:
1.
2.
3.
4.

Question 4 of 9

Question 5 of 9

5. The positron has charge which is in magnitude equal to the charge on:
1.
2.
3.
4.

Question 5 of 9

Question 6 of 9

6. An electron microscope employs which to one of the following principles?
1.
2.
3.
4.

Question 6 of 9

Question 7 of 9

7. We can never accurately describe all aspects of subatomic particles simultaneously. It is correct according to:
1.
2.
3.
4.

Question 7 of 9

Question 8 of 9

8. De-Broglie waves are associated with:
1.
2.
3.
4.

Question 8 of 9

Question 9 of 9

9. Pair production cannot take place in vacuum because:
1.
2.
3.
4.

Question 9 of 9


 

Test By Subject
Test By Topics
You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.

Other Related test

Leave a Reply

Leave a Reply

Your email address will not be published. Required fields are marked *

© Copyright 2025, All Rights Reserved  |  Gotest
Back to top button
error: