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प्रश्न
Draw a neat two ray diagram to illustrate how a concave mirror is used as a shaving mirror.
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उत्तर
We know that when an object is placed between P and F of a concave mirror, it forms a virtual and enlarged image. Thus, by using a concave mirror we can have a proper shave, as the tiny hairs are clearly visible.
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संबंधित प्रश्न
Select the correct alternative
A man standing in front of a plane mirror finds his image to be at a distance of 6 meter from himself. The distance of man from the mirror is
The following diagram shows a point object O placed in front of a plane mirror. Take two rays from the point O and show how the image of O is formed and seen by the eye.
You are standing at a distance of 2 meters from a plane mirror.
What is the distance of your image from the mirror?
If the angle between the plane mirror and the incident ray is 40∘, what are the angles of incidence and reflection?
Draw a figure showing the following.
- Incident Ray
- Normal
- Angle of incidence
- Angle of reflection
- Point of incidence
- Reflected ray
Draw a neat diagram of reflecting periscope.
A converging mirror, forms three times magnified virtual image when an object is placed at a distance of 8 cm from it. Calculate:
- the position of the image
- the focal length of the mirror.
Find the odd one.
glass bottle, exam pad, paper plate, wooden board
The image formed by a plane mirror is always as far behind the mirror as far the object lies in front of it.
