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प्रश्न
Name the kind of mirror used to obtain:
A virtual and enlarged image
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उत्तर
Concave
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संबंधित प्रश्न
An image that cannot be obtained on a screen is called ______.
We can obtain a real, enlarged and inverted image by a concave mirror.
A ray of light is incident normally on a plane mirror. What will be the
angle of reflection?
Which mirror will you prefer to use as a rear view mirror in a car : plane mirror or convex mirror? Give one reason.
A point light source is kept in front of a convex mirror at a distance of 40 cm. The focal length of the mirror is 40 cm. Find the position of image.
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).
Complete the following diagrams shown in the below figure by drawing the reflected ray for each incident ray.
Assertion: Incident ray is directed towards the centre of curvature of spherical mirror. After reflection it retraces its path.
Reason: Angle of incidence (i) = Angle of reflection (r) = 0°
Spherical mirrors are one form of ______ mirrors.
Name the two types of spherical mirrors.
