A. Vt = gr2ρ
B. Vt = 2gr2/9ρ
C. Vt = gr2/9ρ
D. Vt = 9gr2/2ρ
✅ 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
12. In S.H.M. the velocity of a particle is maximum at
A. mean position
B. extreme position
C. middle between the mean and extreme position on the right side
D. middle between the mean and extreme position on the left side
✅ The correct answer is option A.
13. A convex lens gives a virtual image only when the objects lies
A. Between principal focus and centre of curvature
B. Beyond 2 f
C. At the principal focus
D. Between the principal focus and an optical center
✅ The correct answer is option D.
14. Terminal velocity of the body is directly proportional to the
A. The radius of the body
B. The diameter of the body
C. Size of the body
D. Square of the diameter of the body
✅ The correct answer is option D.
15. The acceleration of a projection on the diameter for a particle moving along a circle is
A. w2x
B. wx2
C. w2x
D. wx2
✅ The correct answer is option C.
16. Work done will be maximum if the angle between the force F and displacement d is
A. 45°
B. 90°
C. 180°
D. 0°
✅ The correct answer is option D.
17. The flow of ideal fluid is always
A. Turbulent
B. Streamline
C. Irregular
D. Straight line
✅ The correct answer is option B.
18. The total energy of a body executing S.H.M is directly proportional to
A. The square root of amplitude
B. The amplitude
C. Reciprocal of amplitude
D. Square of an amplitude
✅ The correct answer is option D.
19. A field in which the work is done in a moving a body along a closed path is zero is called
A. Electric field
B. Conservative field
C. Electromagnetic field
D. Gravitational field
✅ The correct answer is option B.
20. The drag force is given by
A. Newtons law
B. Pascals law
C. Gauss law
D. Stokes law
✅ The correct answer is option D.