What makes bees respond to ultraviolet light?
Why is colour of sky red at sunset and sunrise?
What is the actual coulour of the sky? Why does it appear blue to us?
Why so we seven colors due to refraction of light by a glass prism but not a rectangular glass slab?
What are the factors affecting refractive index of air?
Why does an object appear to flicker when viewed through smoke above a stove?
The intensity of scattered light varies with wavelength as:
a) 1/wavelength
b) 1/(wavelength)^2
c) wavelenght
d) (wavelength)^2
if the size of scatterer is as large as compared as wavelength of incident light, then:
a) red colour is scattered most
b) blue colour is scattered most
c) all colours are scattered equally
d) Blue colour is scattered most
For which colour refractive index of glass is maximum?
a) violet
b)red
c) yellow
d) green
A camera is an optical instrument which makes use of a
a) convex lens
b) concave lens
c) cylindrical lens
d) none of these
Why do coloured rays deviate differently in a prism?
This worksheet is boggling my brain! D:....! help greatly appreciated...thnx
....its alright if u just answer some of them for me.....but if know it all...then plz help me..
Why is colour of sky red at sunset and sunrise?
What is the actual coulour of the sky? Why does it appear blue to us?
Why so we seven colors due to refraction of light by a glass prism but not a rectangular glass slab?
What are the factors affecting refractive index of air?
Why does an object appear to flicker when viewed through smoke above a stove?
The intensity of scattered light varies with wavelength as:
a) 1/wavelength
b) 1/(wavelength)^2
c) wavelenght
d) (wavelength)^2
if the size of scatterer is as large as compared as wavelength of incident light, then:
a) red colour is scattered most
b) blue colour is scattered most
c) all colours are scattered equally
d) Blue colour is scattered most
For which colour refractive index of glass is maximum?
a) violet
b)red
c) yellow
d) green
A camera is an optical instrument which makes use of a
a) convex lens
b) concave lens
c) cylindrical lens
d) none of these
Why do coloured rays deviate differently in a prism?
This worksheet is boggling my brain! D:....! help greatly appreciated...thnx
....its alright if u just answer some of them for me.....but if know it all...then plz help me..