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प्रश्न
State four characteristics of the image formed by a plane mirror.
उत्तर
- Image formed by a plane mirror is always virtual and erect.
- The size of the image is equal to that of the object.
- The image formed is as far behind the mirror as the object is in front of it.
- The image is laterally inverted.
संबंधित प्रश्न
State the characteristics of the image formed by a plane mirror.
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
You are standing at a distance of 2 meters from a plane mirror.
What is the distance between you and your image?
State two uses of a plane 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
By giving one example and one use explain or define Regular reflection.
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.
Give two uses of convex mirror.
Identify the following kind of beam of light.
Out of the following, choose the substance which is translucent medium:
Define reflection.
Say TRUE or FALSE
We see a book because it reflects the light that falls on its surface
Why does a light ray incident on a rectangular glass slab immersed in any medium emerges parallel to itself? Explain using a diagram.
The angle of incidence is equal to the angle of reflection for perfect reflection.
A point source of light S is placed in front of two large mirrors as shown. Which of the following observers will see only one image of S?
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.