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प्रश्न
Who is the odd one out?
विकल्प
Leaving the fan on in a vacant room
Leaving the TV on while working
Using AC during winter
Putting off the light when going out
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उत्तर
Putting off the light when going out
Explanation:
Putting off the light when going out is the odd one out as it is one of the measures of saving energy. The rest involves waste of energy.
संबंधित प्रश्न
Name two energy sources that you would consider to be renewable. Give reasons for your choices.
Give the names of two energy sources that you would consider to be exhaustible. Give reasons for your choices.
What is meant by a renewable source of energy? Give two examples of renewable sources of energy.
What are the various fuels which are used to generate electricity in a thermal power plant?
The energy in petrol originally came from the sun. Explain how it got into petrol.
Name the clean fuel which can be obtained from cow-dung.
Apart from cattle dung, what other substances can be added to a biogas plant?
What type of nuclear reaction is responsible for the liberation of energy:
in the sun?
Name five renewable and three non-renewable sources of energy.
Write True/False against the following statement.
Oxygen in air is an exhaustible natural resource.
