Physics
The most energetic electromagnetic radiations are —
- microwaves
- ultraviolet waves
- X-rays
- gamma rays
Related Questions
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
A radiation P is focused by a proper device on the bulb of a thermometer. Mercury in the thermometer shows a rapid increase. The radiation P is —
- infrared radiation
- visible light
- ultraviolet radiation
- X-rays
Column X shows the kinds of electromagnetic waves and column Y shows their applications.
Column X Column Y (A) Infrared rays (i) in remote-controlled gadgets (B) Radio waves (ii) for transmission (C) X-rays (iii) for detection of bone fractures (D) Ultraviolet rays (iv) absorption by atmospheric ozone layer Choose the correct pairing :
- A - (i), B - (ii), C - (iii), D - (iv)
- A - (iv), B - (iii), C - (ii), D - (i)
- A - (i), B - (ii), C - (iv), D - (iii)
- A - (iii), B - (ii), C - (i), D - (iv)
(a) Arrange the following radiations in the order of their increasing wavelength —
X-rays, infrared rays, radio waves, gamma rays and micro waves.(b) Name the radiation which is used for satellite communication?