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प्रश्न
The letter F is placed in front of a plane mirror:
How would its image look like when seen in a plane mirror?
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उत्तर
The image of the letter F will appear laterally inverse, like this:
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संबंधित प्रश्न
The boy walks towards the mirror at a speed of 1 m/s. At what speed does his image approach him?
The image formed by a plane mirror is :
(a) virtual, behind the mirror and enlarged.
(b) virtual, behind the mirror and of the same size as the object.
(c) real, at the surface of the mirror and enlarged.
(d) real, behind the mirror and of the same size as the object.
Why does a ray of light bend when it travels from one medium to another?
What is meant by 'refraction of light'? Draw a labelled ray diagram to show the refraction of light.
Light travels more quickly through water than through glass.
If a ray of light passes from glass into water, which way will it bend : towards the normal or away from the normal?
With the help of a labelled diagram, explain why a tank full of water appears less deep than it actually is.
A ray of light when passes from glass to air, bends towards the normal.
When a ray of light travels from air to glass, it bends .......... the normal.
A light ray suffers reflection and refraction at the boundary in passing from air to water. Draw a neat labelled ray diagram to show it.
A ray of light passes from medium 1 to medium 2. Which of the following quantities of the refracted ray will differ from that of the incident ray: Speed, intensity, frequency, wavelength?
The laws of reflection hold true for ______.
Numerical problems.
The speed of light in water is 2.25 × 108 ms–1. If the speed of light in vacuum is 3 × 108 ms–1, calculate the refractive index of water.
In the above diagram light is travelling through different media. It is noted by a scientist that ∠1= ∠3 = ∠4 but ∠2 < ∠1. Which of the following statement would be correct?
The phenomenon of light passing through the object is called ______.
The bending of light as it passes from one medium to another is called ______.
A star appears twinkling into the sky because of the reflection of light by the atmosphere.
Which is optically denser out of the two medium M1& M2 having the refractive indices = 1.71 and 1.36 respectively?
