Advertisements
Advertisements
प्रश्न
The figure shows two prisms A and B. A monochromatic ray of light PO is incident at the face of the prism A. Complete the diagram to show the path of the ray till it emerges out of the prism B.
उत्तर
APPEARS IN
संबंधित प्रश्न
Four students P, Q, R and S traced the path of a ray of light passing through a glass slab for an angle of incidence 40° and measured the angle of refraction. The values as measured them were 18°; 22°; 25° and 30° respectively. The student who has performed the experiment methodically is
(A) P
(B) Q
(C) R
(D) S
Why do we get a spectrum of seven colors when white light is dispersed by a prism?
State the dependence of angle of deviation On the refractive index of the material of the prism.
Name one factor that affects the lateral displacement of light as it passes through a rectangular glass slab.
Which colour of light travels fastest in any medium except air?
Rahim recorded the following sets of observations while tracing the path of a ray of light passing through a rectangular glass slab for different angles of incidence.
S. No. |
Angle of incidence |
Angle of refraction |
Angle of emergence |
I |
45° |
41° |
45° |
II |
40° |
38° |
38° |
III |
45° |
41° |
40° |
IV |
41° |
45° |
41° |
The correct observation is recorded at serial number:
(1) I
(2) II
(3) III
(4) IV
What is meant by the refraction of light?
In what condition a prism is said to be in the position of minimum deviation? What is the direction of the refracted ray inside the prism in this condition?