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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

2nd law of motion gives the definition of________________?
A force
B acceleration
C velocity
D both force and acceleration
Correct Answer: acceleration
Newtons laws do not hold good for particles_______________?
A at rest
B moving slowly
C move with high velocity
D move with velocity comparable to velocity of light
Correct Answer: move with velocity comparable to velocity of light
Which law of motion is also called law of inertia ?
A 1st law
B 2nd law
C 3rd law
D all 1st, 2nd and 3rd laws
Correct Answer: 1st law
Slope of velocity time graph is_____________________?
A acceleration
B distance
C force
D momentum
Correct Answer: acceleration
When velocity time graph is a straight line parallel to time axis then__________________?
A acceleration is const
B acceleration is variable
C acceleration is zero
D velocity is zero
Correct Answer: acceleration is zero
A body is moving with uniform velocity. Its______________________?
A speed changes
B acceleration changes
C direction of motion changes
D displacement from origin changes
Correct Answer: displacement from origin changes
Why Ballistic missile fails in some circumstances of precision ?
A due to their shape
B due to air resistance
C due to angle of projection
D all of these
Correct Answer: due to air resistance
Time rate of change of momentum is equal to____________________?
A force
B impulse
C velocity
D both A and C
Correct Answer: force
At which angle the range of the projectile is maximum____________________?
A 45
B 60
C 30
D none
Correct Answer: 45
Flight of a rocket in the space is an example of______________________?
A second law of motion
B third law of motion
C first law of motion
D law of gravitation
Correct Answer: third law of motion
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