In order to produce an image with magnification 'm' , a concave mirror of focal length 'f' is used. If the object is kept at a distance 'd' from the mirror, then (m-1)f equals A) md B) m/(d+1) C) m/d D) 1/(md)
ananyadubey2013
Asked:
December 2022
The main excretory product of terrestrial insects is 1)uric acid 2)ammonia 3)amino acid 4) urea