EASY
10th ICSE
IMPORTANT
Earn 100

What do you mean by the term SONAR?

Important Questions on Sound

MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 7 - Sound>QUESTIONS>Q 17
What is sound ranging? Give one example.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 7 - Sound>QUESTIONS>Q 18
A ship sends ultrasonic waves in all directions. A particular wave reflects from the rock inside sea in 4.6 seconds. What is the distance of the rock from ship? Velocity of sound in water =1450 m s-1.
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 7 - Sound>QUESTIONS>Q 19
State two uses of echo.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 7 - Sound>QUESTIONS>Q 20
How is RADAR different from SONAR?
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 7 - Sound>QUESTIONS>Q 21
A stone is dropped into a 10 m deep well. After how many seconds of dropping the stone the sound of a splash would be heard? Given g=10 m s-1. The velocity of sound in air =340 m s-1.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 7 - Sound>QUESTIONS>Q 1
What do you mean by free vibrations in an elastic body?
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 7 - Sound>QUESTIONS>Q 2
Can a rock produce free vibrations? Why?
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 7 - Sound>QUESTIONS>Q 3
What is natural frequency of vibration?