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प्रश्न
What do you understand by the statement the refractive index of glass is 1.5 for white light?
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उत्तर
The refractive index of glass is 1.5 for white light means white light travels in air 1.5 times faster than in glass.
संबंधित प्रश्न
Complete Fig. 4.32 to show the path of the ray of single colour as it enters the prism and emerges out of it. Mark the angles wherever necessary.
Draw an í- `delta` graph for a mono chromatic raY through a glass prism of a plane and mark
(i) `delta` m, the angle of mínimum devíation
(íí) Any two values of i for which value of `delta` ís same.
How does the deviation produced by a prism depend on the refraction index of its material.
What is the refractive index of vacuum
The refractive index of air with respect to glass is defined: as gµa = sin i/sin r
Write down a similar expression for aµg in terms of angle i and r.
In the diagram alongside a ray of light, PQ is incident normally on one face AB of an equilateral glass prism. What is the angle of incidence at the faces AB and AC?
Calculate the velocity of light in a glass block of refractive index 1.5. (Velocity of light in air = 3 × 108 m/s)
The velocity of light in diamond is 121000 kms-1. What is its refractive index?
Observe the figure and name the ray AB, ray CD, ray GH.
