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WorksheetsSound Intensity
Total questions: 10
Worksheet time: 5mins
Unit for measuring Sound Intensity
A. Joules
B. Lambda (λ)
C. Watts / Metre2 or Decibel
D. Hertz
Which of the following will absorb sound best?
(a) Thermocol
(b) Steel
(c) Paper
(d) Glass
Sound Intensity is also called __________
A. Frequency
B. Amplitude
C. Sound Waves
D. Acoustic Intensity
The process of blocking sound is called
(a) Oscillatory motion
(b) Sound Insulation
(c) Noise Conduction
(d) Vibratory Motion
What is the relation between Sound Intensity and Amplitude?
A. They are Inversely Proportional
B. They are Directly Proportional
C. They are Non – Linearly Proportional
D. None of these
What sound is disturbing to the human ear?
(a) Above 120 dB
(b) Above 85 dB
(c) Below 20 dB
(d) Below 900 dB
Shown here is a graph depicting different levels of Amplitude. Which one of the marked points will have highest Sound Intensity, keeping values of amplitude in mind? (Note - Points are A, B and C)
A. Point A
B. Point B
C. Point C
D. All Points are equal in Sound Intensity.
In concert halls, soft materials and carpets are used to
(a) Increase sound waves
(b) Absorb sound waves
(c) Retract sound waves
(d) Refract sound waves.
What are the factors that influence Sound Intensity?
A. Distance travelled by sound wave
B. Amplitude of sound wave
C. Both A and B
D. Frequency of sound wave
Sound intensity increases with
(a) Increase in temperature
(b) Source of sound
(c) Decrease in temperature
(d) Increase in distance from source of sound
