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प्रश्न
What should be the minimum size of a plane mirror, so that a person 182 cm high can see himself completely?
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उत्तर
Size (height) of a person = 182 cm
We know to see the full length image of a person, we need a plane mirror of size as half of the size of the person.
So, size of plane mirror required
= `"Height of person"/2`
= `182/2`
= 91 cm
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संबंधित प्रश्न
How is the position of an image related to the position of the object?
An insect is sitting in front of a plane mirror at a distance 1 m from it.
(a) Where is the image of the insect formed?
How many images are formed for a point object kept in between two plane mirrors at right angles to each other? Show them by drawing a ray diagram.
Two plane mirrors are arranged parallel and facing each other at some separation. How many images are formed for a point object kept in between them? Show the formation of images with the help of a ray diagram
State the mirror formula for the formation of total number of images formed in two plane mirrors, held at an angle.
Draw a neat two ray diagram for the formation of images in two plane mirrors, when mirrors are at right angles to each other.
Draw a neat two ray diagram for the formation of images in two plane mirrors, when mirrors are at facing each other.
What must be the minimum length of a plane mirror in which a person can see himself full length? Draw a diagram to justify your answer. Does the distance of a person from the mirror affect the above answer?
Select the correct option:
If an incident ray passes through the centre of curvature of a spherical mirror, the reflected ray will:
