A. Diverging (or concave) lens
B. Converging (or convex) lens
C. Plano concave lens
D. Plano-convex lens
✅ The correct answer is option B.
Physics MCQs
Prepare effectively with our Physics MCQs with answers and explanations for exams and job tests. Our collection covers key topics such as mechanics, thermodynamics, optics, electricity and magnetism, modern physics, waves, and quantum theory. These multiple-choice questions are designed for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, university entry tests, and physics-related job assessments. Practice online to strengthen your concepts, improve problem-solving skills, and excel in exams with our updated Physics MCQs
32. The average power and instantaneous power become equal if work is done at
A. Any rate
B. At variable rate
C. At a uniform rate
D. At a high rate
✅ The correct answer is option C.
33. A point where the incident parallel rays of light converge or appear to diverge after passing through a lens is called
A. Center of curvature
B. Focus
C. Optical centre
D. Aperture
✅ The correct answer is option B.
34. The relation between horsepower and watt is
A. 1 hp = 546 watts
B. 1 hp = 746 watts
C. 1 hp = 1000 watts
D. 1 hp = 946 watts
✅ The correct answer is option B.
35. The diameter of a lens is called
A. Focal length
B. Principal axis
C. Aperture
D. Radius of curvature
✅ The correct answer is option C.
36. Proton-electron neutron and particles have the same momentum. Which of them have highest K.E?
A. Proton
B. Electron
C. Neutron
D. A-particle
✅ The correct answer is option B.
37. In going form a denser to rarer medium a ray of light is
A. Deviated
B. Bent away from the normal
C. Bent towards the normal
D. Polarized
✅ The correct answer is option B.
38. The slope of the work time graph is equal to
A. Displacement
B. Acceleration
C. Power
D. Energy
✅ The correct answer is option C.
39. Unit of the power of a lens is
A. Meter
B. Watt
C. Dioptre
D. Horsepower
✅ The correct answer is option C.
40. Coefficient of viscosity of honey is greater than
A. Milk
B. Water
C. Charcoal
D. Water
✅ The correct answer is option D.