Deck 1: The Basics of Sound and Vibration

Question 1

Vibration is also known as

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

Answer 1

Oscillatory motion

Question 2

Frequency is expressed in

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

Answer 2

Hertz

Question 3

The number of oscillations per second is called

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

Answer 3

Frequency of oscillation

Question 4

When the amplitude of vibration is large, sound produced is

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

Question 5

An ultrasound equipment works at frequency

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

Question 6

Voice of man is heavy compared to a woman because

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