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प्रश्न
Upto what maximum distance from the pole the image in a convex mirror can be obtained? what will be the location of object then ?
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उत्तर
The image formed by a convex mirror is always between pole and focus. Hence, the maximum distance that can be obtained in convex mirror is the focal length. For this case the object has to be at infinity.
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal axis
Explain the following term related to spherical lenses:- principal focus
Which type of mirror can form a real image?
What type of image is formed:
- in a plane mirror?
- on a cinema screen?
A concave lens produces an image 20 cm from the lens of an object placed 30 cm from the lens. The focal length of the lens is:
(a) 50 cm
(b) 40 cm
(c) 60 cm
(d) 30 cm
What do you mean by the term dispersion?
Draw a ray diagram to show the formation of the image, when the object is placed between optical centre and principal focus of a convex lens.
State the signs and values of magnifications in the above mentioned case.
An object 5 cm high forms a virtual image of 1.25 cm high, when placed in front of a convex mirror at a distance of 24 cm. Calculate:
- the position of the image
- the focal length of the convex mirror.
A ray of light is incident towards a plane mirror at an angle of 30° with the mirror surface. What will be the angle of reflection?
How tall does a mirror have to be to fit an entire person’s body?
