A compound microphone has an objective of focal length 1 cm and an eyepiece of
Channel: Doubtnut
Date: 28/06/2020

A compound microphone has an objective of focal length 1 cm and an eyepiece of focal length 2.5 cm. An object has to be placed at a distance of 1.2 cm awy from the objective for normal adjustment. a.Find the angular magnification. b.Find the length of the microscope tube.