Question

Bats detect the obstacles in their path by receiving the reflected ______.

Options

• infrasonic waves

• ultrasonic waves

• electromagnetic waves

• radio waves

Answer 1

Bats detect the obstacles in their path by receiving the reflected ultrasonic waves. 

Explanation:

Bats emit ultrasonic waves with frequencies above 20000 Hz. These waves reflect from obstacles and return as echoes, helping bats locate objects in their path. Infrasonic, electromagnetic, and radio waves are not used by bats for echolocation.