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प्रश्न
An object is placed 2 cm from a plane mirror. If the object is moved by 1 cm towards the mirror, what will be the distance between the object and its new image?
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उत्तर
Distance of the object from plane mirror = 2 cm
If object is moved by 1 cm towards the mirror, then distance between the object and plane mirror = u = 1 cm
We know in case of plane mirror,
Distance of object from plane mirror = Distance of the image of the object from plane mirror
⇒ v = u = 1 cm
∴ Distance between its object and new image = u + v = 1 + 1 = 2 cm
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संबंधित प्रश्न
Fill in the blank
A plane mirror _________ reflects 100 percent light falling on it.
How is a plane mirror made ?
State two uses of a plane mirror.
Draw a figure showing the following.
- Incident Ray
- Normal
- Angle of incidence
- Angle of reflection
- Point of incidence
- Reflected ray
Identify the following kind of beam of light.
The angle between an incident ray and the mirror is 350.
(i) What is the angle of incidence?
(ii) What is the angle of reflection?
(iii) What is the total angle turned by the ray of light?
(iv) What is the angle between the incident and the reflected rays?
Define the term Principle axis.
Complete the path of incident ray in the following case.
The angle of incidence is equal to the angle of reflection for perfect reflection.
Play with a mirror
Write your name with a sketch pen on a thin sheet of paper, polythene or glass. Read your name on the sheet while standing in front of a plane mirror. Now look at your image in the mirror.
