Reflection & Refraction (C10)

An object is kept 40 cm in front of a concave mirror of focal length 20 cm. Find the position and nature of the image. Draw a ray diagram to show the formation of image in this case.

Answer

u = −40 cm ; f = − 20 cm

Position of image: 40 cm in front of the concave mirror

Nature: Real / inverted

Ray diagram: