What are audible waves?

Important Questions on Sound

EASY

9th CBSE

IMPORTANT

Physics>Chapter 6 - Sound>CLASS ASSIGNMENT 4>Q 5

What is audible range of waves?

EASY

9th CBSE

IMPORTANT

Physics>Chapter 6 - Sound>CLASS ASSIGNMENT 4>Q 5

What are infrasonic waves?

EASY

9th CBSE

IMPORTANT

Physics>Chapter 6 - Sound>CLASS ASSIGNMENT 4>Q 5

What are ultrasonic waves?

MEDIUM

9th CBSE

IMPORTANT

Physics>Chapter 6 - Sound>CLASS ASSIGNMENT 4>Q 5

What is ultrasound? Mention some of its technical applications.

MEDIUM

9th CBSE

IMPORTANT

Physics>Chapter 6 - Sound>CLASS ASSIGNMENT 4>Q 6

Why is ultrasound so useful? Describe two major applications of ultrasound.

MEDIUM

9th CBSE

IMPORTANT

Physics>Chapter 6 - Sound>CLASS ASSIGNMENT 4>Q 7

What is SONAR? What are the applications of this technique?

MEDIUM

9th CBSE

IMPORTANT

Physics>Chapter 6 - Sound>CLASS ASSIGNMENT 4>Q 8

How do the bats locate any obstacle during their flight?

MEDIUM

9th CBSE

IMPORTANT

Physics>Chapter 6 - Sound>CLASS ASSIGNMENT 4>Q 9

Our ears are very delicate and fragile organs. Give some suggestions to take their proper care.