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प्रश्न
Name a prism required for obtaining a spectrum of Ultraviolet light.
उत्तर
Quartz prism is used to obtain a spectrum of UV light.
संबंधित प्रश्न
The following diagram shows a 60°, 30°, 90° glass prism of critical angle 42°, Copy the diagram and complete the path of incident ray AB emerging out of the prism marking the angle of incidence on each surface.
A coin is places at the bottom of a beaker containing water (refractive index = 4/3) to a depth of 12 cm. By what height the coin appears to be raised when seen from vertically above?
How does the deviation produced by a prism depend on the refraction index of its material.
Which colour of light travels fastest in any medium except air?
Draw ray of light bending towards the normal while passing from air to glass. Label your diagrams.
A ray of monochromatic light is incident from the air on a glass slab:
(i) Draw a labelled ray diagram showing the change in the path of the ray till it emerges from the glass slab.
(ii) Name the two rays that are parallel to each other.
(iii) Mark the lateral displacement in your diagram.
The speed of light in air is 3 × 108 ms-1. Calculate the speed of light in water. The refractive index of water is 4/3.
