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प्रश्न
A total reflecting equilateral prism can be used to deviate a ray of light through:
विकल्प
30°
60°
75°
90°
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उत्तर
60°
Hint:
संबंधित प्रश्न
Name one factor that affects the lateral displacement of light as it passes through a rectangular glass slab.
How is the reflection of light ray from a plane mirror different from the refraction of light ray as it enters a block of glass?
How does the angle of minimum deviation produces by a prism change with increase in :
the wavelength of incident light
How does the speed of light change when it passes from glass to water?
The critical angle for glass-air is 45° for the light of yellow colour. State whether it will be less than, equal to, or more than 45° for (i) ref light, (ii) blue light?
After tracing the path of rays of light through a glass slab for three different angles of incidence, a student measured the corresponding values angle of refraction r and angle of emergence e and recorded them in the table given below:
|
S. No. |
∠i |
∠i |
∠e |
|
I |
30° |
20° |
31° |
|
II |
40° |
25° |
40° |
|
III |
50° |
31° |
49° |
The correct observations are:
(A) I and II
(B) II and III
(C) I and III
(D) I, II and III
Observe the figure and write accurate conclusion regarding refraction of light.
Which colour of light travels fastest in any medium except air?
Using the curve, how do you infer that for given prism, the angle of minimum deviation δmin is unique for the given light?
Does the depth of a tank of water appear to change or remain the same when viewed normally from above?
