Question : A mirage occurs because of:

Option 1: reflction by hot ground

Option 2: total internal reflection by layers of air

Option 3: interference of light

Option 4: diffraction of light

Question : Why does the water tank appear shallower when viewed from the top?

Option 1: Due to reflection

Option 2: Due to refraction

Option 3: Due to diffraction

Option 4: Due to total internal reflection

Question : Which one of the following processes is responsible for the glittering of air bubbles rising through water?

Option 1: Reflection of light

Option 2: Refraction of light

Option 3: Total internal reflection of light

Option 4: Scattering of light

Question : Which phenomena show the particle nature of light?

Option 1: Diffraction

Option 2: Interference

Option 3: Photoelectric effect

Option 4: Polarisation

Question : A pond of water appears less deep due to:

Option 1: reflection

Option 2: diffraction

Option 3: refraction

Option 4: polarisation