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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

Cosθi^ + Sinθj^ is a_________________?
A Vector
B Position Vector
C Vector in the direction at angle θ with an x-axis
D The unit vector in the direction at angle θ with an x-axis
Correct Answer: The unit vector in the direction at angle θ with an x-axis
The energy absorbed by a body is __________________ at resonance?
A Maximum as well minimum
B Minimum only
C Maximum only
D 0
Correct Answer: Maximum only
Maximum number of rectangular components are_____________?
A 1
B 2
C 3
D 4
Correct Answer: 3
In case of a simple pendulum, the cause of damping is__________________?
A Drag force of air
B Gravity
C Tension in the string
D None of these
Correct Answer: Drag force of air
The rectangular coordinate system is also called______________?
A Polar coordinate system
B Cartesian coordinate system
C Cylindrical coordinate system
D Spherical coordinate system
Correct Answer: Cartesian coordinate system
Unit vector n^ is along______________?
A X-axis
B Normal on a surface
C Y-axis
D Z-axis
Correct Answer: Normal on a surface
The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body ___________________?
A 10 cm
B 5 cm
C 15 cm
D 7.5 cm
Correct Answer: 5 cm
A vector can be multiplied by a number. The number may be_______________?
A Dimensionless
B Dimensional scalar
C Negative
D All A, B and C are correct
Correct Answer: All A, B and C are correct
For a simple pendulu,m the restoring force is caused by________________?
A Gravity
B Spring
C Hand
D All of these
Correct Answer: Gravity
The direction of a vector in space is specified by_______________?
A One angle
B Two angle
C Three angle
D No angle
Correct Answer: Three angle
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