Renewable Energy Sources Overview
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Questions and Answers

What is the primary conversion process in photovoltaic cells?

  • Converting water movement into heat
  • Converting kinetic energy into wind
  • Converting sunlight into electricity (correct)
  • Converting electricity into sunlight

Which of the following energy sources is not considered renewable if sourced unsustainably?

  • Geothermal energy
  • Wind energy
  • Hydropower
  • Biomass (correct)

What is the main environmental advantage of renewable energy sources?

  • Less environmental impact (correct)
  • Lower cost
  • Faster replenishment
  • Higher energy output

What is the primary source of energy in nuclear power plants?

<p>Fission reactions in uranium or plutonium (C)</p> Signup and view all the answers

Which of the following is a characteristic of non-renewable energy sources?

<p>Finite and depletable (B)</p> Signup and view all the answers

What is the primary motivation behind the global transition to renewable energy sources?

<p>To address the challenges posed by climate change and ensure a sustainable energy future (A)</p> Signup and view all the answers

What is the primary source of energy for power generation in India?

<p>Coal (D)</p> Signup and view all the answers

What is the goal of the Indian government's ambitious renewable energy targets?

<p>To increase the share of renewable energy in the total energy mix (B)</p> Signup and view all the answers

What is the primary challenge posed by rapid urbanization in India?

<p>Meeting the growing energy demand (C)</p> Signup and view all the answers

What is the purpose of the Perform, Achieve, and Trade (PAT) scheme in India?

<p>To improve energy efficiency in industries (A)</p> Signup and view all the answers

What is the primary difference between a pyrheliometer and a pyranometer?

<p>The direction of solar radiation measurement (B)</p> Signup and view all the answers

What is the purpose of the glass or quartz dome in a pyranometer?

<p>To minimize heat loss and allow sunlight to enter (A)</p> Signup and view all the answers

What is the typical unit of measurement for solar irradiance in both pyrheliometers and pyranometers?

<p>Watts per square meter (A)</p> Signup and view all the answers

What is the function of a sunshine recorder in meteorology, climatology, and solar energy studies?

<p>To measure the duration of sunshine (B)</p> Signup and view all the answers

What is the characteristic of a pyranometer's cosine response?

<p>It is sensitive to solar radiation arriving from all directions on a horizontal plane (D)</p> Signup and view all the answers

What is the primary purpose of a pyrheliometer in solar energy research?

<p>To quantify the intensity of direct solar irradiance (D)</p> Signup and view all the answers

Which type of radiation has wavelengths between 400 nm to 700 nm and is visible to the human eye?

<p>Visible light (D)</p> Signup and view all the answers

What is the function of the black coating on the sensing element of a pyrheliometer?

<p>To maximize the absorption of solar radiation (A)</p> Signup and view all the answers

Why is calibration of a pyrheliometer crucial for obtaining reliable measurements?

<p>To ensure accuracy and precision in measurements (C)</p> Signup and view all the answers

What is the significance of the near-infrared region of infrared radiation in various applications?

<p>It is associated with heat and is used in remote sensing (A)</p> Signup and view all the answers

What is the primary function of the glass sphere or prism in a sunshine recorder?

<p>To capture the focused sunlight on the recording medium (D)</p> Signup and view all the answers

What is the purpose of the sun path diagram in sunshine recorders?

<p>To understand the position of the sun in the sky at different times of the day and throughout the year (C)</p> Signup and view all the answers

What is the result of the focused sunlight on the recording medium?

<p>A burn or mark that corresponds to the duration of sunshine during a specific period (B)</p> Signup and view all the answers

What is the main advantage of modern sunshine recorders over traditional ones?

<p>Automatic mechanisms for data collection and analysis (B)</p> Signup and view all the answers

What is the significance of daily and annual sunshine data in climate studies?

<p>To characterize different climate zones and understand the influence of solar radiation on local and global weather patterns (B)</p> Signup and view all the answers

What is the purpose of deploying sunshine recorders globally?

<p>To study regional and global patterns of sunshine duration (B)</p> Signup and view all the answers

What is the climatological significance of sunshine data?

<p>It is an essential parameter in climatology for characterizing different climate zones and understanding the influence of solar radiation on local and global weather patterns (A)</p> Signup and view all the answers

What is the contribution of sunshine recorders to meteorological databases and climate studies?

<p>They provide valuable information on daily and annual variations in sunshine duration (B)</p> Signup and view all the answers

What is the significance of the rotation of the sunshine recorder on a daily basis?

<p>It is synchronized with the sun's movement across the sky (B)</p> Signup and view all the answers

What is the result of the measurement of the length of the burns or marks on the recording medium?

<p>A numerical value of the total duration of sunshine for a given day (D)</p> Signup and view all the answers

What is the primary focus of studying the solar constant in solar physics and Earth sciences?

<p>Understanding climate patterns and solar influences (A)</p> Signup and view all the answers

How do scientists measure the solar constant and monitor variations over time?

<p>Utilizing radiometers and satellites (C)</p> Signup and view all the answers

Which Earth-Sun angle provides information about the direction of sunlight at any specific point on the Earth's surface?

<p>Solar Azimuth Angle (D)</p> Signup and view all the answers

What does the angle of incidence refer to in solar energy applications?

<p>The angle between incoming sunlight and a surface perpendicular to the Sun's rays (B)</p> Signup and view all the answers

What is a primary characteristic of Ultraviolet (UV) radiation emitted by the Sun?

<p>Presence of harmful effects like skin damage (C)</p> Signup and view all the answers

What is a key reason for the growing emphasis on transitioning to renewable energy sources?

<p>Reduced greenhouse gas emissions compared to burning fossil fuels (A)</p> Signup and view all the answers

Why are renewable energy sources considered more sustainable and secure compared to non-renewable sources?

<p>Continuous or naturally restored availability of renewables (C)</p> Signup and view all the answers

How do renewable energy projects contribute to community and rural development?

<p>By fostering economic development and providing job opportunities (C)</p> Signup and view all the answers

What impact does public awareness of environmental issues have on the demand for renewable energy?

<p>Leads to increased support and investment in renewable energy (D)</p> Signup and view all the answers

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