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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#81 Work is energy transfer that can be associated with
A) random molecular motion
B) ordered macroscopic motion (force through distance)
C) radiation only
D) conduction only
#82 The electric field intensity is defined as
A) Force per unit charge
B) Force per unit mass
C) Work per unit charge
D) Energy per unit charge
#83 The SI unit of resistivity is
A) Ohm meter
B) Ohm/meter
C) Ohm/meter$^{2}$
D) Ohm meter$^{2}$
#84 The force on a current-carrying conductor in a magnetic field is given by
A) $F=I(\vec{l}\times\vec{B})$
B) $F=I(\vec{B}\times\vec{l})$
C) $F=IlB\sin\theta$
D) All of these
#85 What is the unit of electric charge?
A) Coulomb
B) Watt
C) Volt
D) Ohm
#86 Two quantities X and Y have different dimesions. Which of the following operations is physically meaningful?
A) X/Y
B) X + Y
C) X - Y
D) None of these
#87 Which of the following is a vector quantity?
A) Mass
B) Density
C) Momentum
D) Speed
#88 A body of mass 40gm is moving with a velocity of 2cm/sec on a horizantal frictionless table, the force on a body is
A) 39,200 dyne
B)160 dyne
C) 80 dyne
D) zero
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