Ozone layer is formed due to reactions of : (1) oxygen and ultraviolet rays (2) carbon dioxide and layers of atmosphere (3) cosmic rays and layers of atmosphere (4) infrared rays and ultraviolet rays

Ozone layer is formed due to reactions of : (1) oxygen and ultraviolet rays (2) carbon dioxide and layers of atmosphere (3) cosmic rays and layers of atmosphere (4) infrared rays and ultraviolet rays
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(1) oxygen and ultraviolet rays Explanation: Ozone in the Earth's stratosphere is created by ultraviolet light striking ordinary oxygen molecules containing two oxygen atoms (O2), splitting them into individual oxygen atoms (atomic oxygen). The atomic oxygen then combines with unbroken O2 to create ozone (O3).
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Ozone layer is formed due to reactions of : (1) oxygen and ultraviolet rays (2) carbon dioxide and layers of atmosphere (3) cosmic rays and layers of atmosphere (4) infrared rays and ultraviolet rays

Description : Ozone layer is formed due to reactions of : (1) oxygen and ultraviolet rays (2) carbon dioxide and layers of atmosphere (3) cosmic rays and layers of atmosphere (4) infrared rays and ultraviolet rays 

Last Answer : oxygen and ultraviolet rays

It is dangerous to observe solar eclipse with naked eyes because – (1) Infrared radiations from sun burn our retina (2) Ultraviolet radiations from Sun burn our retina (3) All radiations from sun initiate chemical reactions in eyes (4) Cosmic rays reach eyes more during the eclipse

Description : It is dangerous to observe solar eclipse with naked eyes because – (1) Infrared radiations from sun burn our retina (2) Ultraviolet radiations from Sun burn our retina (3) All radiations from sun initiate chemical reactions in eyes (4) Cosmic rays reach eyes more during the eclipse

Last Answer : (2) Ultraviolet radiations from Sun burn our retina Explanation: The solar radiation that reaches the surface of Earth ranges from ultraviolet (UV) radiation at wavelengths longer than 290 nm to radio ... of the Sun during an eclipse is for the development of "eclipse blindness" or retinal burns.

It is dangerous to observe solar eclipse with naked eyes because – (1) Infrared radiations from sun burn our retina (2) Ultraviolet radiations from Sun burn our retina (3) All radiations from sun initiate chemical reactions in eyes (4) Cosmic rays reach eyes more during the eclipse

Description : It is dangerous to observe solar eclipse with naked eyes because – (1) Infrared radiations from sun burn our retina (2) Ultraviolet radiations from Sun burn our retina (3) All radiations from sun initiate chemical reactions in eyes (4) Cosmic rays reach eyes more during the eclipse

Last Answer : (2) Ultraviolet radiations from Sun burn our retina Explanation: The solar radiation that reaches the surface of Earth ranges from ultraviolet (UV) radiation at wavelengths longer than 290 nm to radio ... of the Sun during an eclipse is for the development of "eclipse blindness" or retinal burns.

It is dangerous to observe Solar eclipse with naked eyes because (1) Infrared radiations from sun burn our retina (2) Ultraviolet radiations from Sun burn our retina (3) All radiations from sun initiate chemical reactions in eyes (4) Cosmic rays reach eyes more during the eclipse

Description : It is dangerous to observe Solar eclipse with naked eyes because (1) Infrared radiations from sun burn our retina (2) Ultraviolet radiations from Sun burn our retina (3) All radiations from sun initiate chemical reactions in eyes (4) Cosmic rays reach eyes more during the eclipse

Last Answer : Ultraviolet radiations from Sun burn our retina

In the absence of ozone layer, Which rays will enter into atmosphere? (1) Infrared (2) Visible (3) Ultraviolet (4) X-rays

Description : In the absence of ozone layer, Which rays will enter into atmosphere? (1) Infrared (2) Visible (3) Ultraviolet (4) X-rays

Last Answer : (3) Ultraviolet Explanation: The ozone layer is a layer in Earth's atmosphere containing relatively high concentrations of ozone (O3). The ozone layer absorbs 97-99% of the Sun's medium-frequency ... (from about 200 nm to 315 nm wavelength), which potentially damages exposed life forms on Earth.

In the absence of ozone layer, which rays will enter into atmosphere? (1) Infrared (2) Visible (3) Ultraviolet (4) X-rays

Description : In the absence of ozone layer, which rays will enter into atmosphere? (1) Infrared (2) Visible (3) Ultraviolet (4) X-rays

Last Answer : Ultraviolet

In upper layer of atmosphere ozone is formed by (1) the action of ultraviolet rays on oxygen (2) the combination of oxygen molecules (3) subjecting oxygen to high pressure (4) the action of nitrogen on oxygen in atmosphere

Description : In upper layer of atmosphere ozone is formed by (1) the action of ultraviolet rays on oxygen (2) the combination of oxygen molecules (3) subjecting oxygen to high pressure (4) the action of nitrogen on oxygen in atmosphere

Last Answer :  the action of ultraviolet rays on oxygen

The Ozone layer protects us from: (1) Cosmic rays (2) Ultra-Violet rays (3) Visible rays (4) Infrared rays

Description : The Ozone layer protects us from: (1) Cosmic rays (2) Ultra-Violet rays (3) Visible rays (4) Infrared rays

Last Answer : (2) Ultra-Violet rays Explanation: The ozone layer refers to a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet (UN) radiation. It absorbs 97- 99% of the Sun's ... 200 nm to 315 nm wavelength), which otherwise would potentially damage exposed life forms near the surface.

The Ozone layer protects us from: (1) Cosmic rays (2) Ultra-Violet rays (3) Visible rays (4) Infrared rays

Description : The Ozone layer protects us from: (1) Cosmic rays (2) Ultra-Violet rays (3) Visible rays (4) Infrared rays

Last Answer : Ultra-Violet rays

(1) the action of ultraviolet rays on oxygen Explanation: The majority of tropospheric ozone formation occurs when nitrogen oxides (NOx), carbon monoxide (CO ) and volatile organic compounds (VOCs), such as xylene, react in the atmosphere in the presence of sunlight containing ultra violet rays. NOx, CO, and VOCs are called ozone precursors. CO + 2O2 + CO2 + O3

Description : (1) the action of ultraviolet rays on oxygen Explanation: The majority of tropospheric ozone formation occurs when nitrogen oxides (NOx), carbon monoxide (CO ) and volatile organic compounds (VOCs), such as xylene, ... violet rays. NOx, CO, and VOCs are called ozone precursors. CO + 2O2 + CO2 + O3

Last Answer : Water is not effective in extinguishing a fire caused by petrol because - (1) the flame is too hot for water to cool it down (2) water and petrol react chemically (3) water and petrol are ... (4) water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn

What does ‘Ozone Layer’ absorb ? (1) Infrared rays (2) Ultraviolet rays (3) X-rays (4) g-rays

Description : What does ‘Ozone Layer’ absorb ? (1) Infrared rays (2) Ultraviolet rays (3) X-rays (4) g-rays

Last Answer : Ultraviolet rays

A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it. (A) Hydrogen (B) Carbon dioxide (C) Ozone (D) None of these

Description : A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of __________ high above earth's atmosphere, which absorbs it. (A) Hydrogen (B) Carbon dioxide (C) Ozone (D) None of these

Last Answer : (C) Ozone

Which of the following rays has the least wavelength? (A) Ultraviolet rays (B) Infrared rays (C) Cosmic rays (D) X-rays

Description : Which of the following rays has the least wavelength? (A) Ultraviolet rays (B) Infrared rays (C) Cosmic rays (D) X-rays

Last Answer : (C) Cosmic rays

Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful (1) solar ultraviolet radiation (2) solar infrared radiation (3) CO2 in the air (4) SO2 in the air

Description : Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful (1) solar ultraviolet radiation (2) solar infrared radiation (3) CO2 in the air (4) SO2 in the air

Last Answer : (1) solar ultraviolet radiation Explanation: Ozone layer serves as a protective shield against harmful solar ultraviolet radiation.

Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful (1) solar ultraviolet radiation (2) solar infrared radiation (3) CO2 in the air (4) SO2 in the air

Description : Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful (1) solar ultraviolet radiation (2) solar infrared radiation (3) CO2 in the air (4) SO2 in the air

Last Answer : solar ultraviolet radiation

Ozone layer prevents ------- radiation from entering the atmosphere? A. Infra-red B. Ultraviolet (Answer) C. X-rays

Description : Ozone layer prevents ------- radiation from entering the atmosphere? A. Infra-red B. Ultraviolet (Answer) C. X-rays

Last Answer : B. Ultraviolet (Answer)

In the atmosphere ultraviolet rays are absorbed by – (1) Oxygen (2) Nitrogen (3) Ozone (4) Helium

Description : In the atmosphere ultraviolet rays are absorbed by – (1) Oxygen (2) Nitrogen (3) Ozone (4) Helium

Last Answer : (1) Oxygen Explanation: Most of the ultraviolet radiation in sunlight is absorbed by oxygen in Earth's atmosphere, which forms the ozone layer of the lower stratosphere. UV light is found ... and causes many substances to glow or fluoresce. Most ultraviolet is classified as non-ionizing radiation.

In the atmosphere ultraviolet rays are absorbed by (1) Oxygen (2) Nitrogen (3) Ozone (4) Helium

Description : In the atmosphere ultraviolet rays are absorbed by (1) Oxygen (2) Nitrogen (3) Ozone (4) Helium

Last Answer : Oxygen

Ultraviolet radiation striking the earth is due to the depletion of – (1) carbon monoxide (2) carbon dioxide (3) ozone (4) oxygen

Description : Ultraviolet radiation striking the earth is due to the depletion of – (1) carbon monoxide (2) carbon dioxide (3) ozone (4) oxygen

Last Answer : (3) ozone Explanation: Ozone is a powerful oxidant (far more so than dioxygen) and has many industrial and consumer applications related to oxidation. This same high oxidizing potential, however, ... 100 parts per billion. This makes ozone a potent respiratory hazard and pollutant near ground level.

Ultraviolet radiation striking the earth is due to the depletion of (1) carbon monoxide (2) carbon dioxide (3) ozone (4) oxygen

Description : Ultraviolet radiation striking the earth is due to the depletion of (1) carbon monoxide (2) carbon dioxide (3) ozone (4) oxygen

Last Answer : ozone

Ozone protects biosphere from – (1) X-rays (2) Gamma rays (3) Ultraviolet rays (4) Infrared rays

Description : Ozone protects biosphere from – (1) X-rays (2) Gamma rays (3) Ultraviolet rays (4) Infrared rays

Last Answer : (3) Ultraviolet rays Explanation: Ozone is an allotrope of oxygen that is formed from dioxygen by the action of ultraviolet light and also atmospheric electrical discharges. The ozone layer in ... radiation (UVR) from the sun, protecting life on Earth from its potentially harmful effects.

Ozone protects biosphere from (1) X–rays (2) Gamma rays (3) Ultraviolet rays (4) Infrared rays

Description : Ozone protects biosphere from (1) X–rays (2) Gamma rays (3) Ultraviolet rays (4) Infrared rays 

Last Answer : Ultraviolet rays

What refers to the heating of the earth’s atmosphere not caused by direct sunlight but by infrared light radiated by the surface and absorbed mainly by atmospheric carbon dioxide?  A. Greenhouse effect  B. Global warming  C. Thermal rise effect  D. Ozone effect

Description : What refers to the heating of the earth’s atmosphere not caused by direct sunlight but by infrared light radiated by the surface and absorbed mainly by atmospheric carbon dioxide?  A. Greenhouse effect  B. Global warming  C. Thermal rise effect  D. Ozone effect

Last Answer : Greenhouse effect

Ozone layer in the outer atmosphere helps us in – (1) reflecting radio waves and makes radio communication possible (2) regulating he temperature of atmosphere (3) absorbing cosmic ray particles (4) absorbing U-V radiations

Description : Ozone layer in the outer atmosphere helps us in – (1) reflecting radio waves and makes radio communication possible (2) regulating he temperature of atmosphere (3) absorbing cosmic ray particles (4) absorbing U-V radiations

Last Answer : (4) absorbing U-V radiations Explanation: The ozone layer is a layer in Earth's atmosphere containing relatively high concentrations of ozone (03) which absorbs 97- 99% of the Sun's medium-frequency ultraviolet light.

Ozone layer in the outer atmosphere helps us in (1) reflecting radio waves and makes radio communication possible (2) regulating the temperature of atmosphere (3) absorbing cosmic ray particles (4) absorbing U-V radiations

Description : Ozone layer in the outer atmosphere helps us in (1) reflecting radio waves and makes radio communication possible (2) regulating the temperature of atmosphere (3) absorbing cosmic ray particles (4) absorbing U-V radiations

Last Answer :  absorbing U-V radiations

The band of light frequencies to which human eye will respond ∙ A. Infrared ∙ B. Visible light ∙ C. Ultraviolet ∙ D. Cosmic ray

Description : The band of light frequencies to which human eye will respond ∙ A. Infrared ∙ B. Visible light ∙ C. Ultraviolet ∙ D. Cosmic ray

Last Answer : B. Visible light

Which of the following types radiations is absorbed by the upper layer of the atmosphere? A. Radio-waves B. Infrared C. Visible D. Ultraviolet

Description : Which of the following types radiations is absorbed by the upper layer of the atmosphere? A. Radio-waves B. Infrared C. Visible D. Ultraviolet

Last Answer : ANSWER: B

Which type of radiations are absorbed by the upper layer of the atmosphere? (1) Radio-waves (2) Infrared (3) Visible (4) Ultraviolet

Description : Which type of radiations are absorbed by the upper layer of the atmosphere? (1) Radio-waves (2) Infrared (3) Visible (4) Ultraviolet

Last Answer : (4) Ultraviolet Explanation: The Troposphere is the layer where the weather happens. Above this layer is the Stratosphere and in between them is the Ozone layer that absorbs the sun's ... . Above the Stratosphere is the Mesosphere, the Thermosphere including the Ionosphere - and the Exosphere.

Which type of radiations are absorbed by the upper layer of the atmosphere? (1) Radio-waves (2)Infrared (3) Visible (4) Ultraviolet

Description : Which type of radiations are absorbed by the upper layer of the atmosphere? (1) Radio-waves (2)Infrared (3) Visible (4) Ultraviolet

Last Answer : Ultraviolet

One of the main function of the earth’s ozone layer is to ? A. Prevent global warming B. Filter out ultraviolet rays (Answer) C. Absorb pollution D. All of the above

Description : One of the main function of the earth’s ozone layer is to ? A. Prevent global warming B. Filter out ultraviolet rays (Answer) C. Absorb pollution D. All of the above

Last Answer : B. Filter out ultraviolet rays (Answer)

The ozone layer protects us from - (1) Ultra violet rays (2) Radio waves (3) Visual radiation (4) Infrared radiation

Description : The ozone layer protects us from - (1) Ultra violet rays (2) Radio waves (3) Visual radiation (4) Infrared radiation

Last Answer : (1) Ultra violet rays Explanation: The ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (UVR) from the sun, protecting life on Earth from its potentially harmful effects.

Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? (1) Chlorofluorocarbons (2) Nitrous oxide (3) Sulphur dioxide (4) Carbon dioxide

Description : Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? (1) Chlorofluorocarbons (2) Nitrous oxide (3) Sulphur dioxide (4) Carbon dioxide

Last Answer : (1) Chlorofluorocarbons Explanation: Chlorofluorocarbon contributes to ozone depletion in the upper atmosphere. It is an organic compound that contains only carbon, chlorine, and fluorine, produced as a ... methane, ethane, propane. Its manufacture has been phased out under the Montreal Protocol.

Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbon (4) Sulphur dioxide

Description : Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? (1) Nitrous oxide (2) Carbon dioxide (3) Chlorofluorocarbon (4) Sulphur dioxide

Last Answer : Chlorofluorocarbon

Energy of Ultraviolet rays is great than (1) Infra-red rays (2) Gamma rays (3) X-rays (4) Cosmic rays

Description : Energy of Ultraviolet rays is great than (1) Infra-red rays (2) Gamma rays (3) X-rays (4) Cosmic rays

Last Answer : (1) Infra-red rays Explanation: The electromagnetic spectrum is the name we use when we talk about different types of radiation as a group. The parts of the electromagnetic spectmm, arranged from highest energy ... mass that move in a wave pattern, all at the same speed - the speed of light.

Energy of Ultraviolet rays is great than (1) Infra–red rays (2) Gamma rays (3) X–rays (4) Cosmic rays

Description : Energy of Ultraviolet rays is great than (1) Infra–red rays (2) Gamma rays (3) X–rays (4) Cosmic rays

Last Answer : Infra–red rays

Which one of the following is a greenhouse gas? (1) Oxygen (2) Nitrogen (3) Carbon-dioxide (4) Ozone

Description : Which one of the following is a greenhouse gas? (1) Oxygen (2) Nitrogen (3) Carbon-dioxide (4) Ozone

Last Answer : (3) Carbon-dioxide Explanation: A greenhouse gas (sometimes abbreviated GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. This process is the ... the Earth's atmosphere- are water vapour, carbon dioxide, methane, nitrous oxide, and ozone.

Which layer of the atmosphere protects us from ultraviolet rays coming from the Sun? -General Knowledge

Description : Which layer of the atmosphere protects us from ultraviolet rays coming from the Sun? -General Knowledge

Last Answer : answer:

Which layer of the atmosphere protects us from ultraviolet rays coming from the Sun? -General Knowledge

Description : Which layer of the atmosphere protects us from ultraviolet rays coming from the Sun? -General Knowledge

Last Answer : The answer is ozone layer. The ozone layer or ozone shield refers to a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet (UV) radiation. It contains high concentrations of ozone (O3). It is a pale blue gas with a distinctively pungent smell.

Which layer of the atmosphere protects us from ultraviolet rays coming from the Sun? -General Knowledge

Description : Which layer of the atmosphere protects us from ultraviolet rays coming from the Sun? -General Knowledge

Last Answer : answer:

Ultraviolet radiation in the stratosphere is absorbed by – (1) SO2 (2) Ozone (3) Oxygen (4) Argon

Description : Ultraviolet radiation in the stratosphere is absorbed by – (1) SO2 (2) Ozone (3) Oxygen (4) Argon

Last Answer : (2) Ozone Explanation: The ozone layer of Earth's stratosphere absorbs most of the Sun's ultraviolet radiation. It absorbs 97 to 99 percent of the Sun's medium-frequency ultravi-olet light ( ... 200 nm to 315 nm wavelength), which otherwise would potentially damage exposed life forms on the earth.

Ultraviolet radiations from sunlight causes a reaction that produces (a) fluorides (b) carbon monoxide (c) sulphur dioxide (d) ozone.

Description : Ultraviolet radiations from sunlight causes a  reaction that produces (a) fluorides (b) carbon monoxide (c) sulphur dioxide (d) ozone.

Last Answer : (d) ozone.

Ultraviolet radiations from sunlight causes a reaction that produces (a) fluorides (b) carbon monoxide (c) sulphur dioxide (d) ozone.

Description : Ultraviolet radiations from sunlight causes a reaction that produces (a) fluorides (b) carbon monoxide (c) sulphur dioxide (d) ozone.

Last Answer : (d) ozone.

In which of the following layer of atmosphere the absorption and scattering of the solar ultraviolet radiation takes place? (1) Troposphere (2) Stratosphere (3) Mesosphere (4) Thermosphere

Description : In which of the following layer of atmosphere the absorption and scattering of the solar ultraviolet radiation takes place? (1) Troposphere (2) Stratosphere (3) Mesosphere (4) Thermosphere

Last Answer : (2) Stratosphere Explanation: Solar ultraviolet radiation undergoes absorption and scattering as it passes through the stratospheric layer of the earth's atmosphere. The ozone layer, a region of Earth's ... result, no UV radiation at wavelengths shorter than 290 nm reaches the surface of the earth.

If there is no carbon dioxide in the earth's atmosphere, the temperature of earth's surface would be – (1) dependent on the amount of oxygen in the atmosphere (2) higher than the present (3) less than the present (4) the same

Description : If there is no carbon dioxide in the earth's atmosphere, the temperature of earth's surface would be – (1) dependent on the amount of oxygen in the atmosphere (2) higher than the present (3) less than the present (4) the same

Last Answer : (3) less than the present Explanation: If there is no carbon dioxide in the earth's atmosphere, the temperature of earth's surface would be less than the present because carbon emission in the atmosphere is one of the major causes of global warming.

The ultra violet radiations of the Sun do not reach the Earth because the upper layers of the atmosphere contain (a) oxygen (b) helium (c) ozone (d) hydrogen

Description : The ultra violet radiations of the Sun do not reach the Earth because the upper layers of the atmosphere contain (a) oxygen (b) helium (c) ozone (d) hydrogen

Last Answer : Ans:(c)

The depletion of ozone layer is due to - (1) chloro fluoro carbon (2) carbon dioxide (3) sulphur dioxide (4) ethane

Description : The depletion of ozone layer is due to - (1) chloro fluoro carbon (2) carbon dioxide (3) sulphur dioxide (4) ethane

Last Answer : (1) chloro fluoro carbon Explanation: A chlorofluorocarbon (CFC) is an organic compound that contains only carbon, chlorine, hydrogen and fluorine, produced as a volatile derivative of methane and ... R-4104 by the Montreal Protocol because they contribute to ozone depletion in the upper atmosphere.

The depletion of ozone layer is due to (1) chloro fluoro carbon (2) carbon dioxide (3) sulphur dioxide (4) ethane

Description : The depletion of ozone layer is due to (1) chloro fluoro carbon (2) carbon dioxide (3) sulphur dioxide (4) ethane

Last Answer : chloro fluoro carbon

What do radioactive substances emit? (1) Radio waves (2) Infrared waves (3) Ultraviolet waves (4) α, β and γ rays

Description : What do radioactive substances emit? (1) Radio waves (2) Infrared waves (3) Ultraviolet waves (4) α, β and γ rays

Last Answer : (4) α, β and γ rays Explanation: Of the three main types of radiation given off during radioactive decay, two are particles and one is energy; scientists call them alpha, beta and gamma after the first three letters of the Greek alphabet.

Every hot object emits – (1) X-rays (2) Visible light (3) Infrared rays (4) Ultraviolet rays

Description : Every hot object emits – (1) X-rays (2) Visible light (3) Infrared rays (4) Ultraviolet rays

Last Answer : (3) Infrared rays