Question

a convex mirror is used to reflect light from an object placed 30cm in front of the mirror. if the focal length of the mirror is 20cm then the location of the image should be

Answer 1

Answer:

given_ object ,u =-30cm focal length ,f= +20cm image , v = ? Now by mirror formula we have --- 1/v -1/u = 1/f

1/v - 1/-30 = 1/20. So , 1/v=1/20 +1/30/by solving i.e. by LCM you will get your required answer is 12cm .Plz Mark me brainlist

Answer 2

Answer:

27cm B 37cm C 29cm. D. 47cm.