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संबंधित प्रश्न
A coin placed at the bottom of a vessel appears to be raised when water is poured in the vessel.
An optical device has been given to a student and he determines its focal length by focusing the image of the sun on a screen placed 24 cm from the device on the same side as the sun. Select the correct statement about the device.
(A) Convex mirror of focal length 12 cm
(B) Convex lens of focal length 24 cm
(C) Concave mirror of focal length 24 cm
(D) Convex lens of focal length 12 cm
An object of length 4 cm is placed in front of a concave mirror at distance 30 cm. The focal length of mirror is 15 cm.
- Where will the image form?
- What will be the length of image?
Answer the following question:
Distinguish between the convex mirror and the concave mirror.
Define the following term in relation to concave mirror.
Center of curvature
Define the following term in relation to concave mirror.
Principal axis
Find the height of the image of a body of height 1.5m in a mirror with a magnification of 1.5.
What is the relationship between the focal length and radius of curvature?
