Question

Infrasound can be heard by:
(A) Elephant
(B) bat
(C) human beings
(D) dog

Answer 1

Answer:

Infrasound can be heard by BATS.

Answer 2

Dear Student,

◆ Answer - (A)

Infrasound can be heard by Elephant.

● Explanation -

• Humans can hear sounds habing frequency between 20 Hz to 20000 Hz. This is called normal hearing limit.
• Sound having frequency less than normal hearing limit i.e. < 20 Hz are called infrasounds. Infrasounds are heard by whales, elephants, etc.
• Sound having frequency more than normal hearing limit i.e. > 20000 Hz are called ultrasounds. Ultrasounds are heard by dogs, bats, etc.

Thanks dear. .