When a bright source is placed 30 cm in front of a lens

Last updated: 5/28/2023

When a bright source is placed 30 cm in front of a lens there is an erect image 7 5 cm from the lens There is also of faint inverted image 6 cm in front of the lens due to reflection from the front surface of the lens When the lens is turned round this faint inverted image is seen 10 cm in front of the lens Refractive index of Find x the lens is 1 10