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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

The speed of light will be minimum while passing through ?
A Vaccum
B Glass
C Water
D Air
Correct Answer: Glass
Farad is the unit of___________?
A inductance
B voltage
C capacitance
D None of these
Correct Answer: capacitance
The efficiency of the Carnot engine working between 150°C and 50°C is__________?
A 50%
B 100%
C 23.6%
D 29.4%
Correct Answer: 23.6%
A force applied on a body through the string is called_________?
A Weight
B Momentum
C Tension
D Torque
Correct Answer: Tension
Gravitation force of moon is_________?
A 7.2 m/s²
B 1.62 m/s²
C 9.8 m/s²
D 3.75 m/s²
Correct Answer: 1.62 m/s²
Gravitation force of sun is__________?
A 274 m/s²
B 362 m/s²
C 300 m/s²
D None  of these
Correct Answer: 274 m/s²
Gravitation force of earth is___________?
A 9.80 m/s²
B 7.21 m/s²
C 1.62 m/s²
D None of these
Correct Answer: 9.80 m/s²
The centripetal acceleration produced in a rotating body is commonly due to change on_________of body?
A magnitude
B direction
C both
D None of these
Correct Answer: direction
The mass-energy relation is the outcome of____________?
A Quantum theory
B General theory of relativity
C Special theory of relativity
D None of these
Correct Answer: Special theory of relativity
Mach number is used in connection with the speed of___________?
A Ship
B Light
C Sound
D aircraft
Correct Answer: aircraft
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