Question 1

When the amplitude of vibration is large, sound produced is

Accepted Answer

A) No sound 
B) feeble 
C) loud 
D) No relation between amplitude and sound 
A) No sound 
B) feeble 
C) loud 
D) No relation between amplitude and sound C

Question 2

Voice of man is heavy compared to a woman because

Accepted Answer

A) Female vocal cord is longer 
B) Male vocal cord is shorter 
C) Male vocal cord is longer 
D) The concept is not related 
A) Female vocal cord is longer 
B) Male vocal cord is shorter 
C) Male vocal cord is longer 
D) The concept is not related C

Question 3

An ultrasound equipment works at frequency

Accepted Answer

A) Higher than 20,000 Hz 
B) Higher than 10,000 Hz 
C) Lower than 20,000 Hz 
D) Lower than 10,000 Hz 
A) Higher than 20,000 Hz 
B) Higher than 10,000 Hz 
C) Lower than 20,000 Hz 
D) Lower than 10,000 Hz A

Question 4

Frequency is expressed in

Accepted Answer

A) Kilometer 
B) Hertz 
C) gram 
D) Degree centigrade 
A) Kilometer 
B) Hertz 
C) gram 
D) Degree centigrade

Question 5

The number of oscillations per second is called

Accepted Answer

A) Amplitude of oscillation 
B) Pitch of oscillation 
C) Frequency of oscillation 
D) None of the bove 
A) Amplitude of oscillation 
B) Pitch of oscillation 
C) Frequency of oscillation 
D) None of the bove

Question 6

Vibration is also known as

Accepted Answer

A) Vibratory motion 
B) Translatory motion 
C) Oscillatory motion 
D) None of these 
A) Vibratory motion 
B) Translatory motion 
C) Oscillatory motion 
D) None of these

Exam 1: The Basics of Sound and Vibration