EASY
Stage 1 & 2
IMPORTANT
Earn 100

Velocity of sound in air
  1. increase with temperature
  2. decrease with temperature
  3. increase with pressure
  4. is independent of pressure
  5. is independent of temperature

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Important Questions on Sound

EASY
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 6 - Sound>Target Exercise>Q 2
A key of mechanical piano is first struck gently and then struck again but much harder this time. In the second case
MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 6 - Sound>Target Exercise>Q 3
Which of the following device does not work on the multiple reflection of sound waves?
EASY
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 6 - Sound>Target Exercise>Q 4
In the sound wave produced by a vibrating turning fork shown in the diagram, half the wavelength is represented by
Question Image
MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 6 - Sound>Target Exercise>Q 5

When the pitch of note produced by a harmonium is lowered, then the wavelength of the note

EASY
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 6 - Sound>Target Exercise>Q 6
When an aeroplane attains a speed higher than velocity of sound in air, a loud bang is heard. This is because
MEDIUM
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 6 - Sound>Target Exercise>Q 7
A body is vibrating with a periodic time of 2milliseconds produces a wave travelling in a medium with a velocity of 1250m/s. What is its wavelength?
EASY
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 6 - Sound>Target Exercise>Q 8
A water wave is travelling with a speed of 1.5m/s. If the distance between two consecutive crests is 2.5cm. Calculate the frequency of the wave
EASY
Stage 1 & 2
IMPORTANT
Target NTSE Class 10 Stage 1 & 2 Solved Papers (2015 – 19)>Chapter 6 - Sound>Target Exercise>Q 9
A rock under water is 1595m deep. Calculate the time in which an ultrasonic signal return after reflection from rock. Given velocity of ultrasonic waves in water is 1450m/s