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प्रश्न
Name two instruments of the total refracting prism in which is used.
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उत्तर
It is used in (i) periscope and (ii) binoculars.
संबंधित प्रश्न
Which colour of light travels fastest in any medium except air?
Write a relation between the angle of incidence (i), angle of emergence (e), angle of the prism (A), and angle of deviation (d) for a ray of light passing through an equilateral prism.
Draw ray of light bending towards the normal while passing from air to glass. Label your diagrams.
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.
Write the approximate values of speed of light in (i) air and (ii) glass. Use these values to calculate the refractive index of glass with respect to air.
A coin placed at the bottom of a beaker appears to be raised by 4.0 cm. If the refractive index of water is 4/3, find the depth of the water in the beaker.
Observe the figure and name the ray AB, ray CD, ray GH.
Which colour of white light travels fastest in any medium except air?
What is lateral displacement?
