Physics
A …………… mirror is made by silvering the …………… surface of a piece of a hollow sphere.
- concave, inner
- convex, inner
- convex, outer
- None of the above
Reflection
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Answer
convex, inner
Reason — A convex mirror is made by silvering the inner surface of a piece of a hollow sphere such that the reflection takes place from the outer (or bulging) surface.
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Related Questions
An object is placed (i) asymmetrically (ii) symmetrically, between two plane mirrors inclined at an angle of 50°. Find the number of images formed.
A …………… mirror is made by silvering the …………… surface of a piece of a hollow sphere.
- convex, outer
- plane, outer
- concave, outer
- concave, inner
The correct statement(s) is/are :
(i) The radius of a sphere of which the spherical mirror is a part is called the radius of curvature.
(ii) The geometric centre of the spherical surface of a mirror is called the centre of curvature.
(iii) Principal axis is the straight line joining the pole of the mirror to its aperture.
- (i)
- (ii)
- (iii)
- None of the above
The focus of a concave mirror is a point on the …………… through which the light rays incident …………… to the principal axis pass after reflection from the mirror.
- centre of curvature, perpendicular
- principal axis, parallel
- principal axis, perpendicular
- aperture, parallel