Explore topic-wise MCQs in Engineering Physics.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

A cinema theatre has a volume of 750m2. What should be the total absorption in the theatre if the reverberation time of 1.5seconds is to be maintained?

A. 835 open window units
B. 1125 open window units
C. 500 open window units
D. 750 open window units
Answer» B. 1125 open window units
2.

What happens when window panel sections of the wooden portions are thrown into vibrations to produce new sounds?

A. Vibrations are produced
B. Resonance occurs
C. Echoes are produced
D. Absorption occurs
Answer» C. Echoes are produced
3.

Sound produced from equally spaced steps in a stair case at regular intervals is due to which effect?

A. Reverberation effect
B. Noise effect
C. Absorption effect
D. Echelon effect
Answer» E.
4.

A_CINEMA_THEATRE_HAS_A_VOLUME_OF_750M2._WHAT_SHOULD_BE_THE_TOTAL_ABSORPTION_IN_THE_THEATRE_IF_THE_REVERBERATION_TIME_OF_1.5SECONDS_IS_TO_BE_MAINTAINED??$

A. 835 open window units
B. 1125 open window units
C. 500 open window units
D. 750 open window units
Answer» B. 1125 open window units
5.

What happens when window panel sections of the wooden portions are thrown into vibrations to produce new sounds?

A. Vibrations are produced
B. Resonance occurs
C. Echoes are produced
D. Absorption occurs
Answer» C. Echoes are produced
6.

Sound produced from equally spaced steps in a stair case at regular intervals is due to which effect?

A. Reverberation effect
B. Noise effect
C. Absorption effect
D. Echelon effect
Answer» E.
7.

What will happen when sound is focussed to a particular area?

A. Echoes are produced
B. Sound becomes inaudible
C. Interference occurs
D. Frequency of sound becomes high
Answer» D. Frequency of sound becomes high
8.

What happens if the reverberation time is too large?

A. The sound becomes inaudible
B. Echoes are produced
C. Frequency becomes high
D. The sound becomes infrasonic
Answer» C. Frequency becomes high
9.

Sensitivity increases with a decrease in intensity.

A. True
B. False
Answer» C.
10.

What is the quantity that helps us distinguish a particular voice of a singer from the voice of many singers?

A. Timbre
B. Pitch
C. Intensity
D. Music
Answer» B. Pitch
11.

Sound of mosquito produces high pitch than the sound of a lion.

A. True
B. False
Answer» B. False
12.

How are sound waves with a frequency of 20Hz to 20,000Hz termed?

A. Inaudible sounds
B. Infrasonics
C. Ultrasonics
D. Audible sound
Answer» E.