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प्रश्न
The angle formed between the normal and the refracted ray is known as the angle of incidence.
विकल्प
True
False
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उत्तर
False.
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संबंधित प्रश्न
What is the nature of a mirror having a focal length of, +10 cm?
Which type or mirror is usually used as a rear-view mirror in motor cars?
Where would the image be formed by a convex mirror if the object is placed:
at infinity?
Draw labelled ray-diagrams to show the formation of image in both the case.
What happens to the image when the object is moved away from the mirror gradually?
Name two factors on which the focal length of a lens depends.
What is the effect on the size and position of the image of moving the object (i) towards the lens, and (ii) away from the lens?
An object is placed at the following distance from a convex lens of focal length 15 cm:
(a) 35 cm
(b) 30 cm
(c) 20 cm
(d) 10 cm
Which position of the object will produce:
(i) a magnified real image?
(ii) a magnified virtual image?
(iii) a diminished real image?
(iv) an image of same size as the object?
The magnification produced by a spherical mirror and a spherical lens is + 0.8.
(a) The mirror and lens are both convex
(b) The mirror and lens are both concave
(c) The mirror is concave but the lens is convex
(d) The mirror is convex but the lens is concave
Light travels in the same straight line path while passing through different media.
The mirror used as rear-view mirror in vehicles ______.
