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 3

1 / 15

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

an apparent increase in frequency

an apparent decrease in frequency

an apparent decrease in wavelength

no apparent change in frequency

2 / 15

Silence zone takes place due to____________________?

constructive interference

destructive interference

beats

resonance

3 / 15

The number of beats produced per second is equal to____________________?

the sum of the frequencies of two tuning forks

the difference of the frequencies of two tuning forks

the ratio of the frequencies of two tuning forks

the frequency of either of the two tuning forks

4 / 15

Ultrasonic have__________________?

frequency in the audible range

frequency is greater than 20 kHz

frequency lower than 20 Hz

all of above

5 / 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

6 / 15

The velocity of sound is greatest in___________________?

Water

air

copper

ammonia

7 / 15

Velocity of sound in vacuum is ____________________?

332 ms-1

320 ms-1

Zero

224 ms-1

8 / 15

According to Newton sound travel in air under the conditions of_____________________?

adiabatic

isothermal

isobaric

isochoric

9 / 15

A stationary wave is set up in the air column of a closed pipe. At the closes end of the pipe _____________________?

always an node in formed

always an antinode is formed

neither node nor antinode is formed

sometimes a node and sometimes an antinode is formed

10 / 15

In vibrating cord the points where the amplitude is maximum, are called ___________________?

antinodes

nodes

troughs

crests

11 / 15

The distance between any two consecutive crests or troughs is called____________________?

frequency

period

Wave length

phase difference

12 / 15

Waves transmit ________________ from one place to another?

energy

mass

both

none

13 / 15

The range of the projectile at 30 deg and 60 deg are__________________?

equal to 45 deg

equal to 90 deg

equal to each other

none of the above

14 / 15

The force beared by a wall on which water strikes normally at a speed of 10m/sec and at a discharge of 0.0001m3/sec is__________________?

1 N

10 N

100 N

none

15 / 15

The trajectory (or path) of a projectile is_________________?

straight line

parabola

hyperbola

circle

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