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प्रश्न
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उत्तर
A concave mirror forms an enlarged virtual image when the object is kept between focus, F and pole, P
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संबंधित प्रश्न
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
What will be the focal length of this mirror?
What do you understand by the focus and focal length of a spherical mirror? Show them on the separate diagrams for each of a concave mirror and a convex mirror.
How is a spherical mirror used to diverge a beam of light from a point? Name the type of mirror used.
AB and CD, two spherical mirrors, from parts of a hollow spherical ball with its centre at O as shown in the diagram. If arc AB = `1/2` arc CD, what is the ratio of their focal lengths? State which of the two mirrors will always form virtual image of an object placed in front of it and why.
Name the two kinds of spherical mirrors and distinguish between them.
State whether the image in part (a) is real or virtual?
What is the relation between focal length and radius of curvature of a concave mirror?
Define the term Aperture.
Draw a ray diagram to show that a convex mirror has a wider field of view.
What is the focal length (f) of a mirror?
