Tag: energy production

Questions Related to energy production

Green house effect is the:

physics energy production

  1. trapping of radiation in the atmosphere

  2. trapping of water molecule in the atmosphere


  3. trapping of gases in the atmosphere

  4. none of the above

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Correct Option: A
Explanation:

Our atmosphere allows the high frequency radiation (Infrared rays) to pass through it, which comes from sun. This radiation reaches to earth and after some absorption (this radiation is also absorbed and radiated by green house gases), earth reflects back low frequency radiation (Infrared rays) which cannot pass through the atmosphere. This radiation is trapped in our atmosphere and keeps our atmosphere warm, this is called green house effect.

Green house effect was discovered by: 

physics energy production

  1. Fischer

  2. Joseph Lister

  3. Joseph Fourier

  4. None

Show answer
Correct Option: C
Explanation:

Process of warming of planet's surface and its lower atmosphere by the absorption of infrared radiations of long wavelength given out from the surface of a planet is known as green house effect.  In 1824, Joseph Fourier discovered the green house effect.

Which of the following is not a greenhouse gas?

physics energy production

  1. Carbon dioxide

  2. Sulphur dioxide

  3. Methane

  4. Ozone

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Correct Option: B

Ozone layer blocks the radiations of wave length

physics energy production

  1. less than $3 \times 10^{-7}$ m

  2. equal to $3 \times 10^{-7}$ m

  3. more than $3 \times 10^{-7}$ m

  4. All of the above

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Correct Option: A

Carbon monoxide present in the air is the cause of acid rain.

physics energy production

  1. True

  2. False

  3. Ambiguous

  4. Data insufficient

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Correct Option: B
Explanation:

false,
pollution from burning of fossil fuels is the major cause of acid rain. The main chemicals in air pollution that create acid rain are sulfur dioxide ($s{o} _{2}$) and nitrogen ($N{o} _{x}$).

Nuclear force is communicated from one nucleon to another via a particle called.

chemistry nuclear physics hazards and safety measures of radiations harmful effects and safety precautions for radiations energy production

  1. Pion

  2. Muon

  3. Kaon

  4. Quark

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Correct Option: A

Carbon dating is

physics nuclear physics hazards and safety measures of radiations harmful effects and safety precautions for radiations energy production

  1. a process to determine the age of archaeological samples

  2. a medicine for treatment of cancer

  3. a process to determine the age of a meteorite

  4. a process of treatment of diseases in animals

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Correct Option: A
Explanation:
Carbon dating is a method for determining the age of an object containing organic material by using the properties of radiocarbon (${}^{14}C$), a radioactive isotope of carbon. 

Fill in the blank.
__________ arises from the 'burning' of uranium fuel in a nuclear reactor. 

chemistry nuclear physics hazards and safety measures of radiations harmful effects and safety precautions for radiations energy production

  1. Low-level- waste

  2. High-level waste

  3. Intermediate level waste

  4. Very low level waste

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Correct Option: B
Explanation:

High level waste 

High level radioactive waste are highly radioactive materials produced as a by product of the nuclear reactions that occurs inside the nuclear reactor. 

The degree and kind of damage due to radiation varies in which of the following ways?

chemistry nuclear physics hazards and safety measures of radiations harmful effects and safety precautions for radiations energy production

  1. kind of radiation

  2. duration of exposure

  3. amount of radiation

  4. All of the above

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Correct Option: D
Explanation:

All of the above 

The degree of damage due to radiation depends on kind of radiation, duration of exposure and amount of radiation. 

The wastes generated from hospitals and industry, as well as the nuclear fuel cycle are generally known as 

chemistry nuclear physics hazards and safety measures of radiations harmful effects and safety precautions for radiations energy production

  1. High-level waste

  2. Low-level waste

  3. Intermediate-level waste

  4. None of the above

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Correct Option: B
Explanation:

Low level waste 

Waste contaminated with radioactive material, from hospitals like needle, syringes, medical tubes etc and from industries comes under low level waste.