When do (object distance) is very large, what does the thin lens equation predict for the value of 1/f? Similarly, when do (object distance) is very small and less, what does the thin lens equation predict for the value of 1/f?

1

Explanation:

sonar - device which is used to find the submit submarines, sankalp ship. sonar waves consists of a transmitter and detector which are installed in the observation centre on board of a ship. the ultrasonic waves are sent into the sea at high frequency about 1000 khz in all direction.

truck y has a greater velocity than truck x.