EASY
9th CBSE
IMPORTANT
Earn 100

What is the speed of sound in iron?

Important Questions on Sound

EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Very Short Answer Type Questions>Q 16
What name is given to those aircraft which fly at speeds greater than the speed of sound?
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Very Short Answer Type Questions>Q 17
A jet aircraft flies at a speed of 410 m/s. What is this speed known as?
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Very Short Answer Type Questions>Q 18
What is meant by supersonic speed?
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Very Short Answer Type Questions>Q 19
State one observation from everyday life, which shows that sound travels much more slowly than light.
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Very Short Answer Type Questions>Q 20
Name the two types of waves which can be generated in a long flexible spring (or slinky).
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Very Short Answer Type Questions>Q 21
A stone is dropped on the surface of the water in a pond. Name the type of wave produced.
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Very Short Answer Type Questions>Q 22
Name the type of waves produced when a tuning fork is struck in air.
EASY
9th CBSE
IMPORTANT
Science for Ninth Class Part 1 Physics>Chapter 5 - Sound>Very Short Answer Type Questions>Q 23
What is the general name of the waves consisting of compressions and rarefactions?