CBSE Class 12 Physics Daily Practice Questions 13 October 2023

CBSE Class 12 Physics Daily Practice Questions 13 October 2023: One of the most important and complex subjects to prepare in the CBSE Class 12th exam 2024 is Physics. However, if studied and prepared well, it may surprise you with surplus marks. Give attention to this subject daily and practice the previous years’ questions from different chapters every day to manage the time. We have shared the CBSE Class 12 Physics DailyPractice Questions with sample problems in each category. Give a try to these problems that have been taken out from CBSE Class 12 Physics Previous Years’ Question papers.

Also Read | CBSE Daily Practice Questions for Class 12 Physics 12 October 2023

CBSE Daily Practice Questions for Class 12 Physics 13 October 2023

For 13 October 2023, here are the CBSE Daily Practice Questions for Class 12 Physics 2024 syllabus:

Question 1: Multiple-Choice Question
The resolving power of a telescope can be increased by increasing

1. Wavelength of Light
2. Diameter of objective
3. Length of the tube
4. focal length of eyepiece

Question 2: Very Short Answer Question
How is the speed of em-waves in vacuum determined by the electric and magnetic fields?

Question 3: Short Answer Question

1. Define the distance of closest approach. An a-particle of kinetic energy ‘K’ is bombarded on a thin gold foil. The distance of the closest approach is ‘r’. What will be the distance of closest approach for an a-particle of double the kinetic energy ?  OR

2. Write two important limitations of Rutherford nuclear model of the atom.

Question 4: Long Answer Question
Write the two processes that take place in the formation of a p-n junction. Explain with the help of a diagram, the formation of depletion region and barrier potential in a p-n junction.

Question 5: Very-Long Question
Mrs. Rashmi Singh broke her reading glasses. When she went to the shopkeeper to order new spects, he suggested that she should get spectacles with plastic lenses instead of glass lenses. On getting the new spectacles, she found that the new ones were thicker than the earlier ones, she asked this question to the shopkeeper but he could not offer satisfactory explanation for this. At home, Mrs. Singh raised the same question to her daughter Anuja who explained why plastic lenses were thicker. [4]

Que. Write two qualities displayed each by Anuja and her mother.

Que. How do you explain this fact using lens maker’s formula?​

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