CBSE Class 12 Physics Daily Practice Questions 11 October 2023

CBSE Class 12 Physics Daily Practice Questions 11 October 2023

CBSE Class 12 Physics Daily Practice Questions 11 October 2023: Physics is one of the most important subjects in the Class 12th Science stream. The exam pattern for CBSE Class 12 Physics comprises 70 marks for theory and 30 marks for practical. One of the most important subjects in Class 12 Physics requires extra attention in preparation. We have shared the daily sample practice questions for CBSE Class 12 Physics mentioned below. The students can check the detailed questions for each category here.

Also Read | CBSE Daily Practice Questions for Class 12 Physics 10 October 2023

CBSE Daily Practice Questions for Class 12 Physics 11 October 2023

For 11 October 2023, here are the CBSE Daily Practice Questions for Class 12 Physics 2024 syllabus:

Question 1: Multiple-Choice Question

A p-type semiconductor is

1. positively charged
2. negatively charged
3. uncharged
4. uncharged at 0K but charged at higher temperatures

Question 2: Very Short Answer Question

Draw graphs showing the variation of photoelectric current with applied voltage for two incident radiations of equal frequency and different intensities. Mark the graph for the radiation of higher intensity.

Question 3: Short Answer Question

1. Why are infrared waves often called heat waves? Explain.
2. What do you understand by the statement,  ‘‘Electromagnetic waves transport momentum’’?

Question 4: Long Answer Question

A bar magnet of magnetic moment 6 J/T is aligned at 60° with a uniform external magnetic field of 0·44 T. Calculate

(a) the work done in turning the magnet to align its magnetic moment (i) normal to the magnetic field,

(i) opposite to the magnetic field, and (b) the torque on the magnet in the final orientation in case (ii).

Question 5: Very-Long Question

(a) Use Gauss’ law to derive the expression for the electric field (E) due to a straight uniformly charged infinite line of charge densityl  C/m.

(b) Draw a graph to show the variation of E with perpendicular distance r from the line of charge.

(c) Find the work done in bringing a charge q from perpendicular distance r1 to r2 (r2 > r1).

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