MEDIUM
10th Chhattisgarh Board
IMPORTANT
Earn 100

For a convex lens of focal length 50 cm, what is the position of image if the object is placed at a distance of 75 cm from the optical centre?

Important Questions on Light: Reflection & Refraction at Spherical Surfaces

MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 13 - Light: Reflection & Refraction at Spherical Surfaces>Exercise>Q 23
What is the focal length of a lens (in centimetres) whose power is +1.5 D?
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Science (Theory & Practical) Class-10>Chapter 13 - Light: Reflection & Refraction at Spherical Surfaces>Exercise>Q 24
What is the power (in Dioptre) of a concave lens of focal length 20 cm?