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Physics 914 MCQs [All-Courses]

Physics is a core science subject that deals with the study of matter, energy, motion, force, heat, light, electricity, magnetism, and modern physics concepts. It plays a vital role in competitive exams such as PPSC, FPSC, NTS, OTS, KPPSC, BPSC, AJKPSC, CSS, and PMS, where questions test conceptual understanding, numerical problem-solving, and application of laws and formulas.

Which of the following pairs does not have identical dimensions ?

A Torque and energy

B Momentum and impulse

C Energy and work

D Mass and moment of inertia

Review Detailed Answer

Correct Answer: Mass and moment of inertia

An observer shoots parallel to a meter stick at very high (relativistic) speed and finds that the length of meter stick is________________?

A greater than one meter

B less than one meter

C one meter

D a foolish question

Review Detailed Answer

Correct Answer: less than one meter

Three coplanar forces acting on a body keep it in equilibrium. They should therefore be_______________?

A Concurrent

B Non-concurrent

C Parallel

D Non-parallel

Review Detailed Answer

Correct Answer: Concurrent

Mark the wrong statement ?

A a frame of reference which is either at rest or moves with a constant velocity is called an inertial frame of reference

B an un-accelerated frame of reference is called an inertial frame of reference

C all the frames of reference in uniform rectilinear motion are equivalent

D Newtons laws of motion are valid in an accelerated (non inertial) frame of reference

Review Detailed Answer

Correct Answer: Newtons laws of motion are valid in an accelerated (non inertial) frame of reference

The resultant of two forces of equal magnitudes is also equal to the magnitude of the forces. The angle between the two forces is________________?

A 30°

B 60°

C 90°

D 120°

Review Detailed Answer

Correct Answer: 120°

0.001 kg mass will be equivalent to_________________?

A 2.50 GWh

B 25.00 GWh

C 0.26 GWh

D 250 GWh

Review Detailed Answer

Correct Answer: 25.00 GWh

Which one is not correct for a vector A= 2i+2j+3k ?

A Has direction 45° with an x-axis

B Has magnitude 2

C Has magnitude 2 and direction °=45° with a y-axis

D Has magnitude -2

Review Detailed Answer

Correct Answer: Has magnitude -2

Which one of the following radiations has the strongest photon?

A T.V waves

B Microwaves

C X-rays

D γ-rays

Review Detailed Answer

Correct Answer: γ-rays

Maximum number of components of a vector may be________________?

A 1

B 2

C 3

D Infinite

Review Detailed Answer

Correct Answer: Infinite

The relativistic energy E is equivalent to relativistic mass given by_______________?

A Ec2

B E/c2

C E/c

D c2/E

Review Detailed Answer

Correct Answer: E/c2

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Physics 914 MCQs [All-Courses]

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All Topics 914

Which of the following pairs does not have identical dimensions ?

An observer shoots parallel to a meter stick at very high (relativistic) speed and finds that the length of meter stick is________________?

Three coplanar forces acting on a body keep it in equilibrium. They should therefore be_______________?

Mark the wrong statement ?

The resultant of two forces of equal magnitudes is also equal to the magnitude of the forces. The angle between the two forces is________________?

0.001 kg mass will be equivalent to_________________?

Which one is not correct for a vector A= 2i+2j+3k ?

Which one of the following radiations has the strongest photon?

Maximum number of components of a vector may be________________?

The relativistic energy E is equivalent to relativistic mass given by_______________?