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Question
Solution
A concave mirror forms a real image equal in size to the object when the object is kept at centre of curvature, C
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RELATED QUESTIONS
Explain the following term related to spherical lenses:- aperture
Image formed by a convex ______ is always virtual and smaller in size.
We can obtain a real, enlarged and inverted image by a concave mirror.
A concave lens produces an image 20 cm from the lens of an object placed 30 cm from the lens. The focal length of the lens is:
(a) 50 cm
(b) 40 cm
(c) 60 cm
(d) 30 cm
Define the following terms in the context of spherical mirrors :
(i) Pole
(ii) Centre of curvature
(iii) Radius of curvature
(iv) Principal axis
Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.
Define the terms focus and focal length of a concave mirror. Draw diagram to illustrate your answer.
State two uses of a concave mirror.
Answer the following question:
Distinguish between the convex mirror and the concave mirror.
