EASY
10th Chhattisgarh Board
IMPORTANT
Earn 100

Define the radius of curvature for spherical mirrors.

Important Questions on Light: Reflection & Refraction at Spherical Surfaces

EASY
10th Chhattisgarh Board
IMPORTANT
Define the pole for spherical mirrors.
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Define the aperture for spherical mirrors.
MEDIUM
10th Chhattisgarh Board
IMPORTANT
Write a note on the converging and diverging nature of lenses.
MEDIUM
10th Chhattisgarh Board
IMPORTANT
What is power of a lens. Write its unit.
MEDIUM
10th Chhattisgarh Board
IMPORTANT
What will be the power of a convex lens of focal length 50 cm? What if the lens is concave?
MEDIUM
10th Chhattisgarh Board
IMPORTANT
An object is placed at 15 cm from the pole of a concave mirror of focal length 10 cm. What is the size, position, nature and magnification of the image?
HARD
10th Chhattisgarh Board
IMPORTANT
The radius of curvature of a convex mirror is 30 cm. An object of height 5 cm is kept at a distance of 10 cm from the pole. Find the nature, size and magnification of image.
HARD
10th Chhattisgarh Board
IMPORTANT
The focal length of a concave mirror is 10 cm. To obtain an image 5 times bigger than the object, where should the object be placed so that the image is real.