Advertisements
Advertisements
प्रश्न
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?
Advertisements
उत्तर
A light beam that travels from medium (1) to medium (2) will be refracted differently from the incident ray in speed, intensity and wavelength.
APPEARS IN
संबंधित प्रश्न
| Column I | Column II | Column III | |
| 1 | Dispersion | Long-sightedness | Twinkling of stars |
| 2 | Refraction | Splitting of white light into component colours | Convex lens |
| 3 | Hypermetropia | Change in the direction of the ray of light due to change in medium | Spectrum of seven colours |
Name the phenomenon responsible for the following effect:
When we sit in front of a plane mirror and write with our right hand, it appears in the mirror that we are writing with the left hand.
A wall reflects light and a mirror also reflects light. What difference is three in the way they reflect light?
What is meant by the ‘angle of incidence’ for a ray of light?
Match the Following
| Column A | Column B |
| (a) white Light | (1) Convex mirror |
| (b) Refraction | (2) Concave mirror |
| (c) Virtual images | (3) refraction |
| (d) Real images | (4) spectrum |
| (e) Prism | (5) ray of light from glass to air |
Define the principal focus of a concave mirror.
Write a 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 ______.
How do twinkling stars occur? (or) what is the cause of the twinkling of stars?
When a light ray passes from a denser medium to a rarer medium, it bends:
