The region beyond the red end is ___________
Ultraviolet
X - rays
Infrared
Microwaves
When sunlight enters the earth's atmosphere which colour of light is scattered the most?
Violet
Red
Blue
Green
How would earth appear when seen from space?
Black
White
Which colour of white light travels fastest in glass?
Which wave has a wavelength of 0.01 Ao?
Gamma ray
Ultraviolet ray
Radio waves
Micro waves
The colour of the sky opposite the sun is ____________
Yellow
Which is the high energetic invisible electromagnetic wave which helps in study of structure of crystals?
Gamma rays
Infrared rays
A radiation x is focused by a proper device on the bulb of a thermometer. Mercury in the thermometer shows a rapid increase. The radiation x is ___________
Infrared radiation
Visible light
Ultraviolet radiation
X-rays
The sky at noon appears ___________
The range of wavelength of the electromagnetic waves visible to us is ____________
4000 Ao to 8000 Ao
2000Ao to 4000Ao
100Ao to 4000Ao
0.1Ao to 100Ao
