Question : The redness in the atmosphere at Sunrise and Sunset is due to:

Option 1: Refraction of light

Option 2: Reflection of light

Option 3: Dispersion of light

Option 4: Scattering of light

Question : Rainbow is formed due to:

Option 1: Refraction and dispersion

Option 2: Scattering and refraction

Option 3: Diffraction and refraction

Option 4: Refraction and reflection

Question : Which of the following is not caused by atmospheric refraction of light?

Option 1: The Sun appears red at sunset.

Option 2: Twinkling of stars at night

Option 3: Sun appears higher in the sky than it is

Option 4: Sun becomes visible two or three minutes before actual sunrise.

Question : Directions: Select the option that is related to the third term on the same basis as the second term is related to the first term.
Mirror : Reflection of light :: Prism : ?

Option 1: Scattering of light

Option 2: Reflection of light

Option 3: Dispersion of light

Option 4: Inversion of light

Question : In diffraction of white light by a prism, which colour of light from VIBGYOR will be bent most?

Option 1: Red

Option 2: Yellow

Option 3: Green

Option 4: Violet