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Physics

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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.

A refraction

B polarization

C interference

D diffraction

A decreases

B increases

C remains the same

D any of above

A decreases

B increases

C remains unchanged

D becomes zero

A matter waves

B electromagnetic waves

C carrier waves

D mechanical waves

A Dopplers effect

B Interference of waves

C Beats phenomena

D All of these

A Number of loops

B Tension in the string

C Point where string is plucked

D both A and C

A Two times

B Three times

C Four time

D Six time

A 281m/sec

B 333m/sec

C 340m/sec

D all of the above

A fopen = 2 fclosed

B fclosed = 2fopen

C fopen = fclosed

D fopen = 1 / f closed

A an apparent increase in frequency

B an apparent decrease in frequency

C an apparent decrease in wavelength

D no apparent change in frequency

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It is possible to distinguish between transverse and longitudinal waves form the property of __________________?

If stretching force T of wire increases, then its frequency __________________?

When two identical traveling waves are superimposed, the velocity of the resultant wave__________________?

The waves that require a material medium for their propagation are called__________________?

Which phenomena can be applied to estimate the velocity of star with respect to earth ___________________?

The speed of stationary waves in a stretched string are independent of___________________?

The speed of sound in hydrogen is _____________ time than that in oxygen?

Newton estimated the speed of sound _____________________?

Which one is the correct relation for fundamental frequency of open and closed pipe ?

When the source of sound moves away form a stationary listener then ______________ occurs?