Physics
An optically plane surface reflects a beam of light

As a diffused beam in one direction
As a parallel beam in one direction
As parallel beams in all directions
As diffused beams in all directions

ANSWER DOWNLOAD EXAMIANS APP

Physics
Rainbow is due to

refraction and reflection of sunlight by water droplets
ionisation of water deposits
absorption of sunlight in minute water droplets
diffusion of sunlight through water droplets

ANSWER DOWNLOAD EXAMIANS APP