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

 
1.
2.
3.
4.

Question 1 of 9

Question 2 of 9

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

Question 2 of 9

Question 3 of 9

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

Question 3 of 9

Question 4 of 9

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

Question 4 of 9

Question 5 of 9

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

Question 5 of 9

Question 6 of 9

6. A perfect absorber must be also be perfect:
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. Pair production cannot take place in vacuum because:
1.
2.
3.
4.

Question 8 of 9

Question 9 of 9

9. An electron microscope employs which to one of the following principles?
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

Your email address will not be published.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

© Copyright 2023, All Rights Reserved  |  Gotest
Back to top button