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प्रश्न
How is a spherical mirror used to diverge a beam of light from a point? Name the type of mirror used.
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उत्तर
In the case of a convex mirror, the reflected rays diverge and do not meet at a point after reflection. They appear to come from a point’ F on the principal axis.
The type of mirror used is a CONVEX mirror.
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संबंधित प्रश्न
We can obtain a real, enlarged and inverted image by a concave mirror.
Write the formula for a lens connecting image distance (v), object distance (u) and the focal length (f). How does the lens formula differ from the mirror formula?
A diverging lens is used in:
(a) a magnifying glass
(b) a car to see objects on rear side
(c) spectacles for the correction of short sight
(d) a simple camera
A concave mirror forms a real image of an object placed in front of it at a distance 30 cm, of size three times the size of object. Find
- the focal length of mirror
- position of image.
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:
In the following figure shows a concave mirror with its pole (P), focus (F) and centre of curvature (C). Draw a ray diagram to show the formation of the image of an object AB by the concave mirror.
Complete the following diagrams shown in the following figures by drawing the reflected rays.
Name the two types of spherical mirrors.
