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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
No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be ______.
A student obtains a blurred image of a distant object on a screen using a convex lens. To obtain a distinct image on the screen he should move the lens
(A) away from the screen
(B) towards the screen
(C) to a position very far away from the screen
(D) either towards or away from the screen depending upon the position of the object
Explain with a suitable diagram, how a concave mirror converges a parallel beam of light rays. Mark clearly the pole, focus and centre of curvature of concave mirror in this diagram.
In a convex spherical mirror, reflection of light takes place at:
(a) a flat surface
(b) a bent-in surface
(c) a bulging-our surface
(d) an uneven surface
- Draw a labelled ray diagram to show the formation of image in a convex mirror when the object is at infinity. Mark clearly the pole and focus of the mirror in the diagram.
- State three characteristics of the image formed in this case.
- Draw diagram to show how a convex mirror can be used to give a large field of view.
A .............. mirror is obtained on silvering the outer surface of a part of a hollow glass sphere.
A convex mirror is used
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.
The image formed by these mirrors is ______ than the object.
