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प्रश्न
Define the following term in relation to concave mirror.
Aperture
उत्तर
The diameter of a spherical mirror is called its aperture.
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- optical centre
How is the focal length of a spherical mirror related to its radius
(a) When a concave mirror is used as a shaving mirror, where is the person's face in relation to the focus of mirror?
(b) State three characteristics of the image seen in part (a).
Upto what maximum distance from a concave mirror, the image can be obtained? What will be the location of object for it?
Select the correct option:
A concave mirror is made by cutting a portion of a hollow glass sphere of radius 30 cm. The focal length of the concave mirror is:
AB is the object, A1B1 is its image. MM' is the position of the mirror. Complete the ray diagram and find the position of the center of curvature and focus of the mirror. Also, measure the focal length.
A student traces the path of a ray of light passing through a rectangular slab.
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For measuring the angle of incidence, he must position the protractor in the manner shown in the figure:
For a spherical mirror, ______ is true.
