Sound

Production and Propagation of Sound

Subtopic

Production and Propagation of Sound under Sound for Grade 7 ICSE.

Preview questions (no answers)

1.
$Which of the following is an example of sound propagation through a liquid?$
A. $Hearing a clock tick in a room$
B. $Dolphins whistling to each other under the sea$
C. $A doctor using a stethoscope$
D. $Feeling vibrations on a train track$
2.
$120$
A. $60\text{ Hz}$
B. $1\text{ Hz}$
C. $2\text{ Hz}$
D. $120\text{ Hz}$
3.
$Which of the following mediums will NOT allow sound to pass through it?$
A. $Hydrogen gas$
B. $Empty space with no particles$
C. $Liquid mercury$
D. $Solid copper$

Download the worksheet for Sound - Production and Propagation of Sound to practice offline. It includes additional chapter-level practice questions.

Terms related to Sound (Amplitude, Time Period, Frequency)

Subtopic

Terms related to Sound (Amplitude, Time Period, Frequency) under Sound for Grade 7 ICSE.

About Topic & Revision

Preview questions (no answers)

1.
$Which of these frequencies would be associated with a 'low' bass note?$
A. $50\ Hz$
B. $5000\ Hz$
C. $10000\ Hz$
D. $20000\ Hz$
2.
$4$
A. $4\ s$
B. $2\ s$
C. $0.5\ s$
D. $8\ s$
3.
$A high-pitched sound is often described as being:$
A. $Shrill$
B. $Deep$
C. $Hoarse$
D. $Low$

Download the worksheet for Sound - Terms related to Sound (Amplitude, Time Period, Frequency) to practice offline. It includes additional chapter-level practice questions.

Characteristics of Sound (Loudness, Pitch, Quality)

Subtopic

Characteristics of Sound (Loudness, Pitch, Quality) under Sound for Grade 7 ICSE.

About Topic & Revision

Preview questions (no answers)

1.
$A wave that repeats its motion after a fixed interval of time is called:$
A. $Random motion$
B. $Periodic motion$
C. $Linear motion$
D. $Circular motion$
2.
$Which of the following represents a very loud and painful sound level?$
A. $10\text{ dB}$
B. $30\text{ dB}$
C. $60\text{ dB}$
D. $120\text{ dB}$
3.
$The pitch of sound produced by a vibrating string can be increased by:$
A. $Increasing the length of the string$
B. $Decreasing the tension in the string$
C. $Decreasing the length of the string$
D. $Increasing the thickness of the string$

Download the worksheet for Sound - Characteristics of Sound (Loudness, Pitch, Quality) to practice offline. It includes additional chapter-level practice questions.

Reflection of Sound and Echo

Subtopic

Reflection of Sound and Echo under Sound for Grade 7 ICSE.

About Topic & Revision

Preview questions (no answers)

1.
$Which of the following is true about sound reflection?$
A. $It only happens in liquids$
B. $It requires a surface to bounce off$
C. $It only happens at night$
D. $It makes the sound travel slower$
2.
$What is the result of sound being reflected back and forth between two parallel walls?$
A. $The sound disappears$
B. $Multiple echoes or reverberations$
C. $The sound becomes a light wave$
D. $The pitch of the sound increases$
3.
$Which part of our body helps us perceive reflected sound?$
A. $Eyes$
B. $Nose$
C. $Ears$
D. $Skin$

Download the worksheet for Sound - Reflection of Sound and Echo to practice offline. It includes additional chapter-level practice questions.

Production and Propagation of Sound

❓Preview questions (no answers)

Terms related to Sound (Amplitude, Time Period, Frequency)

❓Preview questions (no answers)

Characteristics of Sound (Loudness, Pitch, Quality)

❓Preview questions (no answers)

Reflection of Sound and Echo

❓Preview questions (no answers)

Preview questions (no answers)

Preview questions (no answers)

Preview questions (no answers)

Preview questions (no answers)