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प्रश्न
For what position of object, the image formed by a concave mirror is magnified and erect?
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उत्तर
If the object is placed between the pole and focus of a concave mirror, the image formed is magnified and erect.
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संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Pole
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
Which type of spherical mirror will it provide?
A small object is placed 150 mm away from a diverging lens of focal length 100 mm.
(i) Copy the figure below and draw rays to show how an image is formed by the lens.
Figure
(ii) Calculate the distance of the image from the lens by using the lens formula.
The radius of curvature of a convex mirror is 40 cm. Find its focal length.
Define the following term in relation to concave mirror.
Aperture
The boxes in figure (a, b, c) represent mirrors; insert a mirror which will reflect the incident ray as shown in the diagram.
Complete the following diagrams shown in the below figure by drawing the reflected ray for each incident ray.
An object 10 cm high is placed at a distance of 20 cm in front of a spherical mirror of focal length 25 cm. By scale drawing find the nature, position, and magnification of the image in the following case:
Concave mirror
The minimum length of the mirror required to see the full image of the person is half ‘ of his height.
