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प्रश्न
Define the following term in relation to concave mirror.
Focal length
उत्तर
The linear distance between the pole and the principal focus is called focal length.
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संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Pole
Name the spherical mirror which can produce a real and diminished image of an object.
Write the spherical mirror's formula and explain the meaning of each symbol used in it.
The radius of curvature of a convex mirror is 40 cm. Find its focal length.
The magnification for a mirror is -3. How are u and v related?
Draw a ray diagram in each of the following cases to show the formation of image, when the object is placed :
(i) between the optical centre and principal focus of a convex lens.
(ii) anywhere in front of a concave lens.
(iii) at 2F of a convex lens.
State the signs and values of magnifications in the above-mentioned cases (i) and (ii).
Define the following term in relation to concave mirror.
Aperture
Define the term Aperture.
Name the two types of spherical mirrors.
