Physics
The correct arrangement of the following radiations in an increasing order of their wavelengths is :
X-rays, infrared rays, gamma rays, microwaves.
- gamma rays, infrared rays, X-rays, microwaves
- gamma rays, X-rays, microwaves, infrared rays
- gamma rays, X-rays, infrared rays, microwaves
- X-rays, gamma rays, infrared rays, microwaves
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Answer
gamma rays, X-rays, infrared rays, microwaves
Reason — The arrangement of radiations in increasing order of their wavelengths is
- Gamma rays,
- X-rays,
- Ultraviolet,
- Visible light,
- Infrared rays,
- Microwaves and
- Radio waves.
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Related Questions
When an electromagnetic wave passes from one medium to the other, which property remains unchanged ?
- speed
- wavelength
- direction of travel
- frequency
Two waves A and B have wavelengths 0.01 Å and 9000 Å respectively. The waves A and B are:
- Gamma wave and ultraviolet wave respectively.
- Microwave and infrared wave respectively.
- Radiowave and gamma wave respectively.
- Gamma wave and infrared wave respectively.
The source of ultraviolet light is —
- electric bulb
- red hot iron ball
- sodium vapour lamp
- carbon arc-lamp
For obtaining the spectrum of ultraviolet radiation, the material of prism should be :
- glass
- quartz
- rock salt
- does not matter