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Physics 914 MCQs [All-Courses]

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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. 

All Topics  914

A field in which the work done in a moving a body along closed path is zero is called________________?
A electric field
B conservative field
C electromagnetic field
D gravitational field
Correct Answer: conservative field
Work done will be maximum if the angle between the force F and displacement d is______________________?
A 45°
B 90°
C 180°
D 0°
Correct Answer: 0°
On a clear day at noon the solar energy reaching the earth is ____________________?
A 1.44kw/m2
B 1.4kw/m2
C 1 kw/m2
D none
Correct Answer: 1 kw/m2
The source of tidal energy is____________________?
A sun
B earth
C both A and B
D moon
Correct Answer: moon
The dot product of force and velocity is__________________?
A power
B work
C impulse
D torque
Correct Answer: power
The dimension of power is_______________?
A [ML2T-3]
B [ML2T-2]
C [ML2T3]
D none of these
Correct Answer: [ML2T-3]
The work done by friction is__________________?
A positive
B negative
C zero
D none of these
Correct Answer: negative
When arrow is released form its bow, its energy is transformed from _____________________?
A heat energy to K.E
B elastic P.E to K.E
C elemical energy to elastic P.E
D K.E to elastic P.E.
Correct Answer: elastic P.E to K.E
If moon radius is 1600 km and g on its surface is 1.6 ms-2 then the escape velocity on the moon is ___________________?
A 1600 ms-1
B 50.6 ms-1
C 71.6 ms-1
D 2263ms-1
Correct Answer: 50.6 ms-1
The escape velocity form the earth surface in km S-1 is____________________?
A 4.2 km S-1
B 7.5 km S-1
C 9.5 km S-1
D 1.1 km S-1
Correct Answer: 1.1 km S-1
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