Physics
When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible for this observation is

Reflection of light
Scattering of light
Refraction of light
Dispersion of light

ANSWER DOWNLOAD EXAMIANS APP

Physics
Stationary wave is formed by

Two waves of same frequency travelling in the same direction
Two waves of the same speed superposing
Two waves of same frequency travelling in the opposite direction
A transverse wave superposing a longitudinal wave

ANSWER DOWNLOAD EXAMIANS APP