Environmental Studies · Physics

Solar Radiation and Energy

926 Questions

Enhance your general science knowledge with these questions on solar radiation and energy. The topics span solar thermal power plants, photovoltaic devices, and the sun's energy output. This material is useful for environmental studies and physics.

Solar energy conversionSun luminosity and compositionAtmospheric reflectionSolar thermal technology

Solar Radiation and Energy Questions

Multiple choice geography irrigation and power generation of electricity exploration and conservation of minerals secondary sector : industry

The power which is obtained from the light of the sun is called ______________.

  1. nuclear power

  2. tidal power

  3. thermal power

  4. solar power
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Solar energy is radiant light and heat from the Sun that is harnessed using a range of ever-evolving technologies such as solar heating, photovoltaics, solar thermal energy, solar architecture, molten salt power plants and artificial photosynthesis.

Multiple choice geography irrigation and power generation of electricity exploration and conservation of minerals secondary sector : industry

The power generated from the heat in the interior of the earth is called _______________.

  1. nuclear power

  2. thermal power

  3. solar power

  4. geothermal power
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Geothermal energy refers to the heat and electricity produced by using the heat from the interior of the Earth. Geothermal energy exists because, the Earth grows progressively hotter with increasing depth. Where the geothermal gradient is high, high temperatures are found at shallow depths.

Multiple choice bio-chemistry carbohydrate metabolism energy output living organisms and energy production respiration in cell

The radiant energy is stored in the form of chemical energy in

  1. NADP

  2. Stored food

  3. RNA

  4. DNA
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Photosynthesis is an energy conversion process. During photosynthesis green plants trap solar energy and synthesize sugars. Thus light energy present in photons is converted to chemical energy, which is trapped in the bonds of sugar molecules.

Multiple choice bio-chemistry carbohydrate metabolism energy output living organisms and energy production respiration in cell

The amount of energy the earth receives from the sun per year is

  1. $15 \times 100^{20} kcal$
  2. $10 \times 10^{30} kcal$
  3. $15 \times 10^{20} kcal$
  4. $15 \times 10^{25} kcal$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The sun is considered as the major source of energy. The solar energy is the renewable form of energy and is used for various purposes like generating electricity, working of the solar batteries, etc. The total amount of the energy which is received by the earth from the sun is equal to about 15×10$^{20}$ kcal.

Thus, the correct answer is option C. 

Multiple choice commercial applications global environmental change causes of resource depletion causes of greenhouse effect ozone layer depletion

Identify the harmful radiations emitted by the sun.

  1. Ultra violet

  2. Infra red

  3. Visible

  4. Radio waves
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The ultraviolet radiations are the harmful rays which are present in the sun rays. The radiations are emitted from the sun and are harmful to living organisms. The ozone layer prevents the entry of these radiations into the Earth's atmosphere. The depletion of the ozone layer allows the radiations to cause harm to the plants and animals on the Earth.

Thus, the correct answer is option A. 

Multiple choice

Which gives you cause to worry in the hot summer sun?

  1. Gamma Rays

  2. IR Rays

  3. UV Rays

  4. Ray's Pizza
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ultraviolet (UV) rays from the sun are ionizing radiation that can damage skin cells and increase the risk of skin cancer. Gamma rays are not typically associated with sunlight exposure, and IR rays are primarily heat.

Multiple choice

Energy you can see is called:

  1. light energy

  2. electrical energy

  3. mechanical energy

  4. thermal energy
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Light energy is the portion of the electromagnetic spectrum that is visible to the human eye. Other forms of energy like thermal or electrical are not directly visible as light.

Multiple choice

What is the source of most electromagnetic radiation on Earth?

  1. the Sun

  2. the moon

  3. light bulbs

  4. flashlights
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Sun emits a vast amount of electromagnetic radiation across the spectrum, which is the primary energy source for Earth. While bulbs and flashlights produce light, they are not the primary source for the planet.

Multiple choice

Which of the following sources does NOT give off ambient light?

  1. lamps

  2. candles

  3. the Sun

  4. a fire
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ambient light refers to the natural or existing light in a scene that is not provided by the photographer. The Sun is the primary source of natural light, whereas lamps, candles, and fires are considered artificial or supplemental light sources.

Multiple choice

What do solar panels use to operate?

  1. Electricity

  2. The suns thermal energy

  3. Water

  4. The suns UV light
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Photovoltaic cells in solar panels convert the energy from the sun's light (specifically UV and visible light) directly into electricity.