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प्रश्न
Light travels in the same straight line path while passing through different media.
विकल्प
True
False
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उत्तर १
False.
उत्तर २
False.
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संबंधित प्रश्न
Describe with a suitable diagram, how a convex mirror diverges a parallel beam of light rays. Mark clearly the pole, focus and centre of curvature of convex mirror in this diagram.
If you want to see an enlarged image of your face, state whether you will use a concave mirror or a convex mirror?
Whatever be the position of the object, the image formed by a mirror is virtual, erect and smaller than the object. The mirror then must be:
(a) plane
(b) concave
(c) convex
(d) either concave or convex
A man standing in front of a special mirror finds his image having a very small head, a fat body and legs of normal size. What is the shape of:
(a) top part of the mirror?
(b) middle part of the mirror?
(c) bottom part of the mirror?
Give reasons for your choice.
List four properties of the image formed by a convex mirror when object is placed between focus and pole of the mirror.
A 5 cm tall object is placed perpendicular to the principle axis of a convex lens of focal length 12 cm. The distance of the object from the lens is 8 cm. Using the lens formula, find the position, size and nature of the image formed.
Numerical problem.
A concave mirror produces three times magnified real image of an object placed at 7 cm in front of it. Where is the image located? (Ans: 21 cm in front of the mirror)
The mirror used as rear-view mirror in vehicles ______.
An object at a distance of +15 cm is slowly moved towards the pole of a convex mirror. The image will get ______.
The Convex mirror always forms ______ and ______ image.
