A. 4 seconds
B. 3 seconds
C. 2 seconds
D. 6 seconds
✅ The correct answer is option C.
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
22. When a force is parallel to the direction of motion of the body, then work done on the body is
A. Zero
B. Minimum
C. Infinity
D. Maximum
✅ The correct answer is option D.
23. When fluid is incompressible then
A. The velocity of the fluid is constant
B. The flow of the fluid is the straight line
C. The density of the fluid is constant
D. The volume of the fluid is constant
✅ The correct answer is option C.
24. The length of the second pendulum is
A. 100 cm
B. 99 cm
C. 99.2 cm
D. 98 cm
✅ The correct answer is option C.
25. Which of the following types of force can do no work on the particle on which it acts?
A. Frictional force
B. Gravitational force
C. Elastic force
D. Centripetal force
✅ The correct answer is option D.
26. Irregular flow of fluid is called
A. Streamline
B. Turbulent
C. Uniform
D. Laminar
✅ The correct answer is option B.
27. If the length of the second pendulum becomes four times, then its time period will become
A. 4 times
B. 6 times
C. 8 times
D. 2 times
✅ The correct answer is option D.
28. If a body a mass of 2 kg is raised vertically through 2m, then the work done will be
A. 38.2 J
B. 392.1 J
C. 39.2 J
D. 3.92 J
✅ The correct answer is option C.
29. The force responsible for the vibratory motion of the simple pendulum is
A. mg cosθ
B. mg sinθ
C. mg tonθ
D. mg
✅ The correct answer is option B.
30. An elevator weighing 3.5 x 10-6 N is raised to a height of 1000 m in the absence of friction, the work done is
A. 3.5 x 103 J
B. 3.5 x 104 J
C. 3.5 x 106 J
D. 3.5 x 109 J
✅ The correct answer is option D.