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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.

A vector which has magnitude one is called _________?

A A resultant vector

B A unit vector

C A null vector

D A position vector

Review Detailed Answer

Correct Answer: A unit vector

If Ax is -ve and Ay is +ve, the resultant is:___________?

A 2nd

B 4th

C 3rd

D 1st

Review Detailed Answer

Correct Answer: 2nd

If vectors a and b are antiparallel to each other then their resultant is ___________?

A a−b

B 2b

C 2a

D a+b

Review Detailed Answer

Correct Answer: a−b

What is the SI unit of acceleration is ___________?

A Meter per secound

B meter per second square

C Both

D All

Review Detailed Answer

Correct Answer: meter per second square

The SI unit of Heat is________?

A Watt

B Volt

C Joule

D Newton

Review Detailed Answer

Correct Answer: Joule

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 10-3 J

B 3.5 x 104 J

C 3.5 x 106 J

D 3.5 x 109 J

Review Detailed Answer

Correct Answer: 3.5 x 10-3 J

The unit of entropy is________________?

A J.K

B J/K

C N.m/sec

D Kgm2/sec2.K

Review Detailed Answer

Correct Answer: J/K

If a wire has a resistance of 0.5 ohm, then its conductance is:

A 1 S

B 1.5 S

C 2 S

D 5 S

Review Detailed Answer

Correct Answer: 2 S

Area under the curve of velocity-time graph gives_______?

A Displacement

B Force

C Acceleration

D Momentum

Review Detailed Answer

Correct Answer: Displacement

If the velocity-time graph gives a parabolic curve then body posses______?

A Variable acceleration

B Constant acceleration

C Zero acceleration

D All of these

Review Detailed Answer

Correct Answer: Variable acceleration

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Physics 914 MCQs [All-Courses]

All Topics 914

All Topics 914

A vector which has magnitude one is called _________?

If Ax is -ve and Ay is +ve, the resultant is:___________?

If vectors a and b are antiparallel to each other then their resultant is ___________?

What is the SI unit of acceleration is ___________?

The SI unit of Heat is________?

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_________________?

The unit of entropy is________________?

If a wire has a resistance of 0.5 ohm, then its conductance is:

Area under the curve of velocity-time graph gives_______?

If the velocity-time graph gives a parabolic curve then body posses______?