Advertisements
Advertisements
प्रश्न
Why does a ray of light bend when it travels from one medium to another?
Advertisements
उत्तर
The bending of light, when it passes from one medium to another, is known as refraction. It occurs due to the change in the speed of light on going from one medium to another.
APPEARS IN
संबंधित प्रश्न
Fill in the following blank with a suitable word:
When light is reflected, the angles of incidence and reflection are ............ .
State whether the following statement is true of false:
A student says that we can see an object because light from our eyes is reflected back by the object.
A boy with a mouth 5 cm wide stands 2 m away from a plane mirror. Where is his image and how wide is the image of his mouth?
The figure given alongside shows the image of a clock as seen in a plane mirror. The correct time is:
A man stands 10 m in front of a large plane mirror. How far must the walk before he is 5 m away from his image?
A man sits in an optician's chair looking into plane mirror which is 2 m away from him and views the image of a chart which faces the mirror and is 50 cm behind his head. How far away from his eyes does the chart appear to be?
Which phenomenon of light makes the water to appear shallower than it really is?
What is meant by ‘refraction of light’?
What is meant by the ‘angle of incidence’ for a ray of light?
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?
We can see the sun even when it is little below the horizon because of ______.
A pencil when dipped in water in a glass tumbler appears to be bent at the interface of air and water. Will the pencil appear to be bent to the same extent, if instead of water we use liquids like, kerosene or turpentine. Support your answer with reason.
Which object use the reflection of light?
Twinkling of stars and Mirage are the two phenomena occurring due to refraction.
The bottom of swimming pool appears to be less deep than the actual one because of
When light travels from a denser medium to a rarer medium, its speed:
The constant \[\frac{\sin i}{\sin r}\] for a given pair of media is called the:
Which of the following relations is called Snell's Law?
To a crane, a fish appears 6 cm below the water surface. Taking the refractive index of water as \[\frac{4}{3}\], the real depth of the fish below the surface is:
