A compound microscope has a tube length of

PHYSICS · Single correct · CBSE · Physics · Ray Optics and Optical Instruments · Ray Optics and Optical Instruments

Problem

16\,\text{cm}

. It employs an objective of focal length

0.40\,\text{cm}

and an eyepiece of focal length

2.0\,\text{cm}

. What is its magnifying power when adjusted for a final image at infinity? (a) 320 (b) 500 (c) 540 (d) 250