Punjab 12th Class Physics Chapter 8 Dawn of Modern Physics Mcqs Test Online
Questions 9
Total Marks 18
Time 9 Mins
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Punjab 12th Class Physics Chapter 8 Dawn of Modern Physics Mcqs Test Online

Start your preparation for Punjab 12th Class Physics Chapter 8 Dawn of Modern Physics Mcqs Test Online. This online test contains 9 MCQs and you have 9 Minutes to complete it. The total marks for this test are 18. This test is valid for students of All Punjab Boards (Lahore, Gujranwala, Multan, etc.) following the PCTB Syllabus. Read the questions carefully and select the correct option below to see your result.

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

 

Question 1 of 9

Physics

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

Question 1 of 9

Question 2 of 9

2. An electron microscope employs which to one of the following principles?
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Question 2 of 9

Question 3 of 9

3. Pair production occurs only when energy of photon is at least equal to:
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Question 3 of 9

Question 4 of 9

4. The positron has charge which is in magnitude equal to the charge on:
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Question 4 of 9

Question 5 of 9

5. Pair production cannot take place in vacuum because:
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Question 5 of 9

Question 6 of 9

6. If the K.E of free electron double, its de Broglie wavelength changes by the factor.
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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:
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Question 7 of 9

Question 8 of 9

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

 
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Question 8 of 9

Question 9 of 9

9. A perfect absorber must be also be perfect:
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Question 9 of 9


 

Guide for Punjab Board Students

Students of BISE Lahore, Gujranwala, Multan, and other Punjab boards must follow the SLO based pattern.

Top Scoring Tips for Punjab:

  • Textbook Reading: The paper is 100% derived from PCTB books. Do not rely only on keybooks.
  • Objective Paper (20%): Practice these online MCQs repeatedly as they are taken from 5-Year Past Papers.
  • Bubble Sheet: Ensure you know how to fill the OMR sheet correctly.

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