Physics Top 100 Repeated MCQs
MDCAT · NUMS · FSc · Entry Test — most asked Physics questions with answers
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These Physics MCQs are picked from high-yield FSc chapters and mix sets — the kind of questions that appear again and again in MDCAT, NUMS, and board exams. Use page navigation below to practice all 100 MCQs, then try the Physics mock test.
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#73 Which of the following is a scalar quantity?
A) Displacement
B) Velocity
C) Force
D) Work
#74 A boy sitting in a moving train is facing the engine, He tosses a coin up, the coin fails behind him, the train is moving
A) Forward with Uniform speed
B) Backward with Uniform speed
C) Forward with acceleration
D) Forward with deceleration
#75 SI unit of power is:
A) watt
B) joule
C) newton
D) horsepower
#76 Centripetal acceleration magnitude is:
A) $a_{c}=\dfrac{v^{2}}{r}=r\omega^{2}$
B) $a_{c}=vr$
C) $a_{c}=\dfrac{r}{v^{2}}$
D) $a_{c}=\omega/v$
#77 Bernoulli’s equation is derived from:
A) conservation of mechanical energy
B) conservation of momentum
C) Newton's second law
D) Newton's third law
#78 The phase difference in SHM is:
A) $\Delta \phi = \omega t^2$
B) $\Delta \phi = \omega t$
C) $\Delta \phi = 2\pi$
D) $\Delta \phi = \frac{1}{\omega}$
#79 What does the amplitude of a wave represent?
The total energy of the wave. A)
The maximum displacement of the wave from its rest position. B)
The frequency of the wave. C)
The velocity of the wave. D)
#80 Two sources of light are said to be coherent if they emit light waves of:
A) The same frequency and a constant phase difference
B) The same frequency only
C) The same amplitude
D) The same wavelength only
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