Exam-Focused MCQs for CBSE Class 11 Physics with Answers
Exam-Focused MCQs for CBSE Class 11 Physics with Answers
Class: 11
Subject: Physics
Section: Exam-Focused MCQs for CBSE Class 11 Physics
Topic: Exam-Focused MCQs for CBSE Class 11 Physics with Answers
Board: CBSE Board Examination (NCERT Based)
Subject: Physics
Section: Exam-Focused MCQs for CBSE Class 11 Physics
Topic: Exam-Focused MCQs for CBSE Class 11 Physics with Answers
Board: CBSE Board Examination (NCERT Based)
Q1. Physical quantity having magnitude only is called:
Answer: B) Scalar
Scalars have magnitude only (e.g., mass, time). Vectors require magnitude and direction.
Scalars have magnitude only (e.g., mass, time). Vectors require magnitude and direction.
Q2. Dimensional formula of force is:
Answer: B) MLT⁻²
Force = mass × acceleration.
Force = mass × acceleration.
Q3. Slope of displacement–time graph gives:
Answer: A) Velocity
Slope = rate of change of displacement.
Slope = rate of change of displacement.
Q4. Unit of acceleration:
Answer: B) m/s²
Q5. Inertia depends on:
Answer: B) Mass
Greater mass → greater resistance to change.
Greater mass → greater resistance to change.
Q6. Newton’s First Law defines:
Answer: B) Inertia
Q7. Momentum =
Answer: B) mv
Q8. Work done when force ⟂ displacement:
Answer: C) Zero
Q9. SI unit of power:
Answer: B) Watt
Q10. Kinetic energy =
Answer: A) ½mv²
Q11. Potential energy depends on:
Answer: A — PE = mgh.
Q12. Law of conservation of energy states energy:
Answer: C
Q13. Escape velocity depends on:
Answer: C
Q14. Young’s modulus relates:
Answer: A
Q15. Surface tension unit:
Answer: A
Q16. Heat is:
Answer: A
Q17. First law of thermodynamics is:
Answer: A
Q18. RMS speed relates to:
Answer: A
Q19. SHM restoring force ∝
Answer: A
Q20. Time period of pendulum depends on:
Answer: A
Q21. Wave speed formula:
Answer: A
Q22. Sound needs:
Answer: B
Q23. Pitch depends on:
Answer: A
Q24. Beats due to:
Answer: B
Q25. Doppler effect shows change in:
Answer: B
Q26. Unit of pressure:
Answer: A
Q27. Dimensional formula of energy:
Answer: A
Q28. Elastic limit means:
Answer: C
Q29. Temperature SI unit:
Answer: B
Q30. Most elastic material:
Answer: A) Steel
Steel has the highest Young’s modulus among common materials.
Steel has the highest Young’s modulus among common materials.
