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प्रश्न
A .............. mirror is obtained on silvering the outer surface of a part of a hollow glass sphere.
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उत्तर
A concave mirror is obtained on silvering the outer surface of a part of a hollow glass sphere.
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संबंधित प्रश्न
An object is placed at a distance of 40 cm in front of a convex mirror of radius of curvature 40 cm. List four characteristics of the image formed by the mirror.
Draw a labelled ray diagram to show the formation of image of an object by a convex mirror. Mark clearly the pole, focus and centre of curvature on the diagram.
Draw ray diagrams to represent the nature, position and relative size of the image formed by a convex lens for the object placed:
at 2F1,
At the point of incidence, a line drawn at right angles to the surface, separating the two media, is called the normal.
The image formed by a convex mirror is
State whether true or false. If false, correct the statement.
The convex mirror always produces a virtual, diminished and erect image of the object.
A full length image of a distant tall building can definitely be seen by using ______.
The nature of image formed by a convex mirror when the object distance from the mirror is less than the distance between pole and focal point (F) of the mirror would be ______.
Assertion: Convex mirrors are used as a rearview mirror in vehicles for observing traffic at our back.
Reason: A convex mirror has a much larger field of view.
Higher-Order Thinking Skills:
A convex mirror is in water. What should be the change in its focal length?
