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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

Electromagnetic waves transport___________________?
A Energy
B Momentum
C Mass
D Heat
Correct Answer: Energy
The length of the second pendulum is________________?
A 100 cm
B 99 cm
C 99.2 cm
D 98 cm
Correct Answer: 99.2 cm
The direction of propagation of an electromagnetic waves is________________?
A Perpendicular to electric field
B Perpendicular to both electric and magnetic field
C Perpendicular to magnetic field
D Parallel to electric and magnetic field
Correct Answer: Perpendicular to both electric and magnetic field
The time period of a second pendulum is______________?
A 4 seconds
B 3 seconds
C 2 seconds
D 6 seconds
Correct Answer: 2 seconds
A changing magnetic flux produces around itself an induced_______________?
A Magnetic field
B Electric field
C Electromagnetic force
D Artificial gravitational field
Correct Answer: Electromagnetic force
The total energy of a body executing S.H.M is directly proportional to________________?
A The square root of amplitude
B The amplitude
C Reciprocal of amplitude
D Square of an amplitude
Correct Answer: Square of an amplitude
An alternating current of the r.m.s value of 4.0 A and frequency 50Hz flows in a circuit containing a 10Ω resistor. The peak current is then ?
A 20A
B 20.66A
C 6.66A
D 5.66A
Correct Answer: 5.66A
The acceleration of a projection on the diameter for a particle moving along a circle is_______________?
A w2x
B wx2
C w2x
D wx2
Correct Answer: w2x
The value of the steady current which when flowing through the same resistor produces heat at the same rate as the mean rate of heat produced by the alternating current is__________________?
A Average current
B Sinusoidal current
C r.m.s current
D Net current
Correct Answer: r.m.s current
A million electron are added to a pith ball. Its charge is________?
A – 1.6 × 10–12 coulomb
B – 1.6 × 10–13 coulomb
C – 1.6 × 10 –18 coulomb
D – 1.6 × 10 coulomb
Correct Answer: – 1.6 × 10–13 coulomb
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