M C Q s D r i v e

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. 

For what value of “a” , the magnitude of a vector A= 2i^+j^+ak^ should be 3?

A -2
B 2
C 4
D Both A & B
Correct Answer: Both A & B

A vector can have maximum________components in space.?

A Zero
B Two
C Three
D Infinite
Correct Answer: Three

A vector can have maximum________components in a plane.?

A Zero
B Two
C Three
D Infinite
Correct Answer: Two

A train is moving with a speed of 100mph. What will be its speed in m/s.?

A 45 m/s
B 90 m/s
C 100 m/s
D 120 m/s
Correct Answer: 45 m/s

Which of the following is not a unit of length?

A light year
B radian
C angstrom
D micron
Correct Answer: radian

Study of sound is called _____________?

A Soundlogy
B Acoustics
C Neurology
D Physiology
Correct Answer: Acoustics

We have two bodies, One is moving with 2m/s velocity and other is at rest, which one has greater inertia?

A Moving body
B Body is at rest
C Both have not any inertia
D Both have same inertia because inertia depends upon mass only
Correct Answer: Both have same inertia because inertia depends upon mass only

Inertia is depends upon only?

A Velocity
B Direction
C Mass
D Time
Correct Answer: Mass

Unit vector is used to specify the _____________?

A Magnitude
B Velocity
C Direction of vector
D Frequency
Correct Answer: Direction of vector

Product of wavelength and time period is _______________?

A Frequency
B Velocity
C Time period
D Wavelength
Correct Answer: Velocity