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 : A star appears twinkling in the sky because of :

Option 1: scattering of light by atmosphere

Option 2: reflection of light by atmosphere

Option 3: refraction of light by atmosphere

Option 4: diffraction of light by atmosphere

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 : The golden view of sea shells is due to the:

Option 1: Diffraction

Option 2: Dispersion

Option 3: Polarisation

Option 4: 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.