Physics Multiple-Choice Questions (MCQs) for Test Preparation ranging from Basic to Advanced. Physics Mcqs are from various disciplines of Physics. MCQs for Physics subjects ranging from basic to advanced are available here. This will help you achieve better grades in Physics. These MCAT ECAT ETEA exam preparation Mcqs are beneficial for students and job seekers, such as MCAT ECAT ETEA test preparation, PPSC Test, FPSC Test, SPSC Test, KPPSC Test, BPSC Test, PTS, OTS, GTS, JTS, CTS.

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Created on April 01, 2022 By Preptestsonline

Physics MCQs Set 2

1 / 15

The periodic alternation of sound between maximum and minimum loudness are called___________________?

silence zone

interference

beats

resonance

2 / 15

The velocity of sound in air would become double than its velocity at 0°C at temperature________________?

313°C

586°C

819°C

1172°C

3 / 15

The normal ear is the most sensitive in the frequency range___________________?

20000 to 30000 hertz

10 to 20 hertz

2000 to 4000 hertz

6000 to 8000 hertz

4 / 15

On loading the prong of a tuning form with wax its frequency____________________?

increases

decreases

remains unchanged

may increase or decrease

5 / 15

Increase in velocity of sound in the air for 1°C rise in temperature is_________________?

1.61 ms-1

61.0 ms-1

0.61 ms-1

2.00 ms-1

6 / 15

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

refraction

polarization

interference

diffraction

7 / 15

Sound waves do not travel in vacuum because ___________________?

they are transverse waves

they are stationary waves

they require material medium for propagation

they do not have enough energy

8 / 15

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

decreases

increases

remains the same

any of above

9 / 15

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

decreases

decreases

remains unchanged

becomes zero

10 / 15

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

matter waves

electromagnetic waves

carrier waves

mechanical waves

11 / 15

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

Dopplers effect

Interference of waves

Beats phenomena

All of these

12 / 15

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

Number of loops

Tension in the string

Point where string is plucked

both A and C

13 / 15

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

Two times

Three times

Four time

Six time

14 / 15

Newton estimated the speed of sound _____________________?

281m/sec

333m/sec

340m/sec

all of the above

15 / 15

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

fopen = 2 fclosed

fclosed = 2fopen

fopen = fclosed

fopen = 1 / f closed

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