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प्रश्न
State two uses of a plane mirror.
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उत्तर
It is used as :
(i) Looking glass
(ii) In periscopes.
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संबंधित प्रश्न
If the angle between the mirror and the reflected ray is 23∘, what is the angle of incidence of the incidence ray?
Draw a neat diagram of reflecting periscope.
State two advantages and two disadvantages of the reflecting periscope.
An object 1.5 cm high when placed in front of a concave. the mirror produces a virtual image 3 cm high. If the object is placed at a distance of 6 cm from the pole of the mirror, calculate:
- the position of the image
- the focal length of the mirror.
Copy the figure. By taking two rays from point A, show the formation of image. State four characteristics of the image.
What is a real image?
Complete the path of incident ray in the following case.
Say TRUE or FALSE
We see a book because it reflects the light that falls on its surface
