MEDIUM
10th ICSE
IMPORTANT
Earn 100

State two differences between the light and sound waves.

Important Questions on Sound

MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 7 - Sound>EXERCISE-7(A)>Q 6
What is meant by an echo? State two conditions necessary for an echo to be heard distinctly.
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 7 - Sound>EXERCISE-7(A)>Q 7
A man is standing at a distance of 12 m from a cliff. Will he be able to hear a clear echo? Give a reason for your answer.
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 7 - Sound>EXERCISE-7(A)>Q 8
State two applications of echo.
HARD
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 7 - Sound>EXERCISE-7(A)>Q 9
Explain how the speed of sound can be determined by the method of echo.
HARD
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 7 - Sound>EXERCISE-7(A)>Q 10
State the use of echo by a bat, dolphin and fisherman.
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 7 - Sound>EXERCISE-7(A)>Q 11
How do bats avoid obstacles in their way, when in flight?
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 7 - Sound>EXERCISE-7(A)>Q 12
What is meant by sound ranging? Give one use of sound ranging.
HARD
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 7 - Sound>EXERCISE-7(A)>Q 13
Name the waves used for sound ranging. Why are the waves mentioned by you not audible to us?