Question

i) Write sign convention for reflection by spherical mirrors. ii) An object, 5.0 cm in size, is placed at 30 cm in front of a concave mirror of focal length 15.0 cm. At what distance from the mirror should a screen be placed in order to obtain a sharp image? Find the nature and the size of the image.​

Answer 1

Answer:

h=-5.0

u=-30cm

f=-15.0

it's ur sign convention

Answer 2

Answer:

i. -ve ii. we should place the screen on C