Advertisements
Advertisements
प्रश्न
A ray of light moving from an optically rarer to a denser medium
विकल्प
bends away from the normal
bends towards the normal
remains undeviated
none of the above
उत्तर
bends towards the normal
APPEARS IN
संबंधित प्रश्न
In the formation of spectrum of white light by a prism:
which colour is deviated least?
Which is refracted most by a prism : red light or violet light? Explain why?
Which of the following colour of white light is least deviated by the prism?
(a) green
(b) violet
(c) indigo
(d) yellow
Which of the following colour of white light has the least wavelength?
(a) red
(b) orange
(c) violet
(d) blue
A ray of white light falls on a prism. Draw a ray diagram to show that the prism disperses the white light.
- A beam of monochromatic light undergoes minimum deviation through an equiangular prism, how does the beam pass through the prism, with respect to its base?
- If white light is used in the same way as in part (a) above, what change do you expect in the emergent beam?
- What conclusion do you draw about the nature of white light in part (b)?
In the following diagram, the correctly marked angles are
(A) All
(B) Only ∠i and ∠A
(C) ∠i, ∠r and ∠A
(D) ∠i, ∠A and ∠D
An object AB is placed in front of a convex lens as shown in fig. 4. Complete the ray diagram and obtain the image formed and state the nature of the image.
Observe the given figure and write appropriate phenomenon of light in the box.
The splitting of white light in to seven colors is called ______.