Waves And Sound Test

Result

Waves And Sound Test - 1

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
1 / -0

In an orchestra, the musical sounds of different instruments are distinguished from one another on the basis of

A
pitch

B
loudness

C
quality

D
overtones

Solution

The musical sounds of different instruments are distinguished from one another on the basis of quality of the sound. Quality of a sound depends upon the overtones, which are present in the sound produced by the musical instrument.
Question 2
1 / -0

Bells are made of metal and not of wood because

A
thermal conductivity of metal is greater than that of wood

B
density of the metal is greater than that of wood

C
sound is not conducted by metals but is radiated

D
wood dampens the vibration while metals are elastic

Solution

The greater the elasticity of the medium, the faster the sound travels in the given medium. Sound travels faster in the metals as compared to wood as the metals are more elastic than wood.
Question 3
1 / -0

Which of the following options is not TRUE about reverberations?

A
It is the lingering effect of the sound due to repeated reflections.

B
Asbestos and curtains decrease reverberation.

C
It reduces the clarity of sound.

D
None of the above

Solution

The lingering effect of sound due to repeated reflections is called reverberations or persistence of hearing.

This is an undesirable effect as it reduces the clarity of sound.It can be reduced by using sound-absorbing materials on the walls, for example, asbestos, curtains and upholstery.