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Which of the following is a renewable source of energy ?
The purpose of the glass cover on top of a box-type solar cooker is to
The simple reason of covering the glass plates with solar cookers because the sunlight can pass through the glass easily and it gets absorbed inside the cooker. The more it traps the heat rays , thus it is helpful for heating the food.
To work properly, wind-electric generators need wind speeds of at least about
The site of a hydroelectric plant should be chosen carefully because it
Hydropower facilities can have large environmental impacts by changing the environment and affecting land use, homes, and natural habitats in the dam area. Most hydroelectric power plants have a dam and a reservoir.
Electricity from the ocean can be generated based on utilizing
A solar water heater cannot be used to get hot water on
Which of the following is not an example of a bio-mass energy source ?
Most of the sources of energy we use represent stored solar energy. Which of the following is not ultimately derived from the Sun's energy ?
Which of the following is the conventional sources of energy
Biomass is another semi - conventional energy source because it is in the process of becoming mainstream. Biomass energy comes from plant material. Biomass can be used for heating and generating electricity.
Nuclear energy is one of the most environmental friendly conventional sources of energy as it produces fewer greenhouse gas emissions during the production of electricity.
How many number of neutrons are released in a fission of U – 235 ?
Which of the following is not an example of a biomass energy source ?
Artificial satellites and space probes mainly depend upon which source of energy
The glass cover used in a solar cooker, help us to have the _________ effect in it.
Which component of sunlight facilitates the drying of clothes ?