Advertisements
Advertisements
Question
If a ray of light goes form a denser medium to a rarer medium, will it bend towards the normal or away from the normal?
Solution
If a ray of light goes form a denser medium to a rarer medium, it will bend away from the normal.
APPEARS IN
RELATED QUESTIONS
Which property of light makes a pencil cast a shadow when it is held in front of a light source?
What type of reflection of light takes place from a cinema screen?
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?
A vertical ray of light strikes the horizontal surface of some water:
What is the angle of incidence?
Air is optically .......... than glass.
List four characteristics of the image formed by a concave lens of focal length 20 cm when the object is placed at a distance of 40 cm from its optical centre.
Write scientific reason.
The coin disappears in a vessel as it is seen from a specific location. But as soon as the water is poured into the vessel to a certain level, the coin appears.
The phenomenon of light passing through the object is called ______.
Assertion: The air bubble shines in water.
Reason: Air bubble shines due to the refraction of light.
Match the following:
| Column I | Column II | ||
| 1. | r > 90 | a. | Light gazes at the surface of separation between the two modes. |
| 2. | r = 90 | b. | No refraction. |
| 3. | r < 90 | c. | Refracted ray away from the normal |
