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प्रश्न
Draw a labelled ray diagram to show how a ray of light is refracted when it passes:
from an optically denser medium into air.
उत्तर
Refraction of light ray when it passes from an optically denser medium to air:
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संबंधित प्रश्न
An object 5 cm is placed at a distance of 20 cm in front of a convex mirror of radius of curvature 30 cm. Find the position, nature and size of the image.
Draw a labelled ray diagram to show how a ray of light is refracted when it passes:
from air into an optically denser medium.
A 1 cm high object is placed at a distance of 2f from a convex lens. What is the height of the image formed?
State whether convex lens has a real focus or a virtual focus.
Calculate the focal length of a convex lens which produces a virtual image at a distance of 50 cm of an object placed 20 cm in front of it.
A pin 2 cm long is placed 12 cm away from a convex lens at right angles to the principal axis. If the focal length of the lens is 20 cm, by scale drawing find the size of the image and its magnification.
Draw a diagram to show the convergent action of a convex lens by treating it as a combination of glass block and two triangular glass prisms, with the aid of two parallel incident rays.
A candle is placed between f and 2f a convex lens. Draw a ray diagram showing the position of the image.
Define the principal focus of a convex lens.
Distinguish between:
Concave lens and Convex lens
