List of top Science Questions on Light asked in UP Board X

Explain the phenomenon of dispersion of white light through a prism by making a diagram.
Power of a lens is -2.5 D. The focal length and nature of the lens is:
Speed of light in medium (1) and medium (2) are \( v_1 \) and \( v_2 \) respectively, then the refractive index of medium (1) with respect to medium (2) is:
The sun appears whitish:
When a beam of white light falls on the surface of a triangular prism of glass, it splits, after emerging out from the prism, into various colours with different deviations. Which colour has maximum deviation?