When a virtual image is created in a plane mirror.
a) The image is upright.
b) The image is located behind the mirror
c) Reflected rays diverge.
d) All of the above
On rainy day, small oily films on water show brilliant colors. This is due to……
a) Scattering
b) Interference
c) Polarization
d) None of these
Rainbow formation is due to………………….
a) Absorption of sunlight by water droplets
b) Diffusion of sunlight through droplets
c) Ionization of water droplets
d) refraction and reflection of sunlight by water droplet
Refraction is caused
by………………………
a) Different wave speeds.
b) More than one reflection.
c) Displaced images.
d) Bending.
A rainbow nicely illustrates an example of light
a) Internal reflection
b) Refraction
c) Both (a) and (b)
d) Neither (a) and (b)
The law of reflection says that
a) the angle of reflection from a mirror equals the angle of incidence.
b) Waves incident on a mirror are partially reflected.
c) All waves incident on a mirror are reflected.
d) The angle a ray is reflected from a mirror is random.