Advertisements
Advertisements
प्रश्न
As light rays pass from water into glass, are they refracted towards the normal or away from the normal?
उत्तर
Glass is denser than water; therefore, if light rays pass from water into glass, the rays will be refracted towards the normal.
APPEARS IN
संबंधित प्रश्न
Which property of light makes a pencil cast a shadow when it is held in front of a light source?
What is lateral inversion? Explain by giving a suitable example.
State the uses of plane mirrors.
With the help of a labelled ray-diagram, describe how a plane mirror forms an image of a point source of light placed in front of it. State the characteristics of the image formed in a plane mirror.
An object is placed 20 cm in front of a plane mirror. The mirror is moved 2 cm towards the object. The distance between the positions of the positions of the original and final images seen in the mirror is ______.
Why does a ray of light bend when it travels from one medium to another?
Light travels at a lower speed in water than in air.
Image is formed by a mirror due to refraction of light.
The phenomenon of change in the direction of light when it passes from one transparent medium to another is called ___________.
If a beam of red light and a beam of violet light are incident at the same angle on the inclined surface of a prism from air medium and produce angles of refraction r and v respectively, which of the following is correct?