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प्रश्न
At the point of incidence, a line drawn at right angles to the surface, separating the two media, is called the normal.
पर्याय
True
False
उत्तर
True.
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संबंधित प्रश्न
Why do we prefer a convex mirror as a rear-view mirror in vehicles?
No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be ______.
What is meant by (i) principal focus of a convex mirror, and (ii) focal length of a convex mirror?
What kind of mirrors are used in big shopping centres to watch the activities of the customers?
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.
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
The angle formed between the normal and the refracted ray is known as the angle of incidence.
The image formed by a convex mirror is
The mirror used as rear-view mirror in vehicles ______.
