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प्रश्न
The critical angle for glass-air interface is :
विकल्प
24°
48°
42°
45°
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उत्तर
42°
संबंधित प्रश्न
Draw a ray diagram to show the refraction of light through a glass slab and mark angle of refraction and the lateral shift suffered by the ray of light while passing through the slab.
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 glass into air. The angle of refraction will be:
(a) equal to the angle of incidence
(b) greater than the angle of incidence
(c) smaller than the angle of incidence
(d) 45°
How is the refractive index of a medium related to the speed of light in it?
When a lighted candle is held in front of a thick plane glass mirror, several images can be seen, but the second image is the brightest, give reason.
The highest refractive index is of ______.
With the help of diagram of the principal section of a prism, indicate its refracting surfaces, refracting edge and base.
Define the term refractive index of a medium in terms of velocity of light.
The refractive index of glass with respect to air is 3/2. What is the refractive index of air with respect to glass?
