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प्रश्न
Draw a diagram of a prism and label:
(i) the base,
(ii) the refracting surfaces,
(iii) the refracting edge,
(iv) the refracting angle in it.
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उत्तर
The figure shows a prism, in which BEFC is the refracting edge, and ∠BAC or ∠EDF is the refracting angle of the prism which has been marked by the symbol A.
संबंधित प्रश्न
Write a short note on dispersion of light.
After tracing the path of a ray of light passing through a rectangular glass slab for four different values of the angle of incidence, a student reported his observations in tabular form as given below:
| S.No | ∠ i | ∠ r | ∠ e |
| I | 30° | 19° | 29° |
| II | 40° | 28° | 40° |
| III | 50° | 36° | 50° |
| IV | 60° | 40° | 59° |
The best observation is
(A) I
(B) II
(C) III
(D) IV
If the speed of light in vacuum is 3 × 108 ms−1, find the speed of light in a medium of absolute refractive index 1.5.
Why do we get a spectrum of seven colors when white light is dispersed by a prism?
Draw a ray diagram to show the refraction of a monochromatic ray through a prism when it suffers minimum deviation
A ray of light passes from water to air. How does the speed of light change?
For which colour of white light, is the refractive index of a transparent medium the most?
A ray of light of wavelength 6600 Å suffer refraction from air to glass. Taking \[\ce{_a\mu_g = \frac{3}{2}}\], find the wavelength of light in glass.
Name the phenomenon responsible in the following case:
Twinkling of stars
