# Physics MCQs

Physics Mcqs for Test Preparation from Basic to Advance. Physics Mcqs are from the different sections of Physics. Here you will find Mcqs of Physics and quantum physics subject from Basic to Advance. Which will help you to get higher marks in Physics subject. These Mcqs are useful for students and job seekers i.e MCAT ECAT ETEA test preparation, PPSC Test, FPSC Test, SPSC Test, KPPSC Test, BPSC Test, PTS, OTS, GTS, JTS, CTS, NTS.

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

A. an apparent increase in frequency
B. an apparent decrease in frequency
C. an apparent decrease in wavelength
D. no apparent change in frequency

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

A. fopen = 2 fclosed
B. fclosed = 2fopen
C. fopen = fclosed
D. fopen = 1 / f closed

Newton estimated the speed of sound _____________________?

A. 281m/sec
B. 333m/sec
C. 340m/sec
D. all of the above

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

A. Two times
B. Three times
C. Four time
D. Six time

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

A. Number of loops
B. Tension in the string
C. Point where the string is plucked
D. both A and C

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

A. Dopplers effect
B. Interference of waves
C. Beats phenomena
D. All of these

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

A. matter waves
B. electromagnetic waves
C. carrier waves
D. mechanical waves

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

A. decreases
B. increases
C. remains unchanged
D. becomes zero

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

A. decreases
B. increases
C. remains the same
D. any of above

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

A. refraction
B. polarization
C. interference
D. diffraction