SOLAR SYSTEM

UNIVERSE

ATMOSPHERIC BASIC PROPERTIES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The ozone layer
A
is green and purple
B
absorbs dangerous solar radiation
C
smells like sulphur
D
is made of carbon dioxide
Explanation: 

Detailed explanation-1: -The ozone layer in the stratosphere absorbs a portion of the radiation from the sun, preventing it from reaching the planet’s surface. Most importantly, it absorbs the portion of UV light called UVB. UVB is a kind of ultraviolet light from the sun (and sun lamps) that has several harmful effects.

Detailed explanation-2: -Higher up, in the stratosphere, the ozone layer absorbs solar ultra-violet radiation and affects how much of the Sun’s heat is radiated back into space. The ozone layer shields us from the harmful effects of excessive UV radiation, which can lead to sunburn, skin cancer and eye damage.

Detailed explanation-3: -The ozone layer is the common term for the high concentration of ozone that is found in the stratosphere around 15–30km above the earth’s surface. It covers the entire planet and protects life on earth by absorbing harmful ultraviolet-B (UV-B) radiation from the sun.

Detailed explanation-4: -Ozone absorbs 100% of solar radiation with a wavelength less than 0.29 m [7]. A small amount of ultraviolet radiation penetrates the atmosphere and reaches the earth’s surface there a narrow absorption band at a wavelength of 9.6 m within the infrared range. Ozone is the main cause of global warming [8].

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