Most Important MCQs for CBSE Class 11 Physics Preparation
Most Important MCQs for CBSE Class 11 Physics Preparation
Class: 11
Subject: Physics
Section: Exam-Focused MCQs for CBSE Class 11 Physics
Topic: Most Important MCQs for CBSE Class 11 Physics Preparation
Board: CBSE Board Examination (NCERT Based)
Subject: Physics
Section: Exam-Focused MCQs for CBSE Class 11 Physics
Topic: Most Important MCQs for CBSE Class 11 Physics Preparation
Board: CBSE Board Examination (NCERT Based)
Q1. SI unit of mass is:
Answer: B) Kilogram
Kilogram is the SI base unit of mass.
Kilogram is the SI base unit of mass.
Q2. Dimensional formula of force:
Answer: A
Force = mass × acceleration.
Force = mass × acceleration.
Q3. Slope of velocity–time graph gives:
Answer: C
Slope = rate of change of velocity.
Slope = rate of change of velocity.
Q4. Newton’s second law states F ∝
Answer: B
Q5. Unit of work:
Answer: A
Q6. KE =
Answer: A
Q7. PE depends on:
Answer: A
Q8. Momentum =
Answer: A
Q9. Pressure unit:
Answer: A
Q10. Young’s modulus =
Answer: A
Q11. Heat is:
Answer: A
Q12. First law →
Answer: A
Q13. RMS speed ∝
Answer: A
Q14. SHM restoring force ∝
Answer: A
Q15. Pendulum period depends on:
Answer: A
Q16. Wave speed:
Answer: A
Q17. Sound waves are:
Answer: A
Q18. Pitch depends on:
Answer: A
Q19. Loudness depends on:
Answer: A
Q20. Audible range:
Answer: A
Q21. Echo due to:
Answer: A
Q22. Doppler effect → change in:
Answer: A
Q23. Beats →
Answer: A
Q24. Unit of frequency:
Answer: A
Q25. Noise is:
Answer: B
Q26. Most elastic material:
Answer: A
Q27. Energy dimension:
Answer: A
Q28. Sound needs medium:
Answer: A
Q29. Speed of sound fastest in:
Answer: C
Q30. Sound cannot travel in:
Answer: D) Vacuum
Sound requires particle vibration; vacuum has no particles.
Sound requires particle vibration; vacuum has no particles.
