A. material objects only
B. material objects and electromagnetic radiation only
C. electromagnetic radiations
D. none of the above
✅ 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
182. When we rub a glass rod with a silk cloth then
A. Glass rod acquires negative charge while silk acquires a positive charge
B. Glass rod acquires positive charge while silk acquires negative charges
C. Both glass rod and silk acquire a negative charge
D. Both glass rod and silk acquire a positive charge
✅ The correct answer is option B.
183. One radian is equal to
A. 67.3°
B. 57.3°
C. 87.3°
D. 60°
✅ The correct answer is option B.
184. If the distance between the two point charges become half then force between them becomes
A. Double
B. Half
C. Four times
D. Remains same
✅ The correct answer is option C.
185. The period of a circular motion is given by
A. T = πv
B. T = πw
C. T = 2Ï€r
D. T = 2Ï€r/v
✅ The correct answer is option D.
186. The minimum charge on an object cannot be less than
A. 1.6 x 10-19C
B. 3.2 x 10-19C
C. 9.1 x 109C
D. No definite value exist
✅ The correct answer is option A.
187. The direction of the linear velocity of a body moving in a circle is
A. along the axis of rotation
B. along the tangent
C. directed towards the centre
D. directed away from the centre
✅ The correct answer is option B.
188. The electric charge of 100 °C is 13cm apart from another charge 16.9°C electric force between them is
A. 9x107N
B. 900N
C. 9x105N
D. 9x106N
✅ The correct answer is option B.
189. When a body moves in a circle, the angle between its linear velocity and angular velocity is always
A. 180°
B. 0°
C. 90°
D. 45°
✅ The correct answer is option C.
190. The electric force between two point charges in air or vacuum is F. If we replace air or vacuum by an insulator (dielectric) of relative permittivity Cr the force between the charges will
A. Decrease
B. Increase
C. Remain constant
D. Depends upon the composition of a dielectric
✅ The correct answer is option A.