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प्रश्न
Name a prism required for obtaining a spectrum of Ultraviolet light.
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उत्तर
Quartz prism is used to obtain a spectrum of UV light.
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संबंधित प्रश्न
Define refraction and state the laws of refraction.
Which colour of light travels fastest in any medium except air?
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°
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?
A ray of light enters a glass slab ABDC as shown in figure and strikes at the centre O of the circular part AC of the slab. The critical angle of glass is 42°. Complete the path of the ray till it emerges out from the slab. Mark the angles in the diagram wherever necessary.
Name two instruments of the total refracting prism in which is used.
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.
