Write the full form of OTE.

Important Questions on Sources of Energy

MEDIUM

10th CBSE

IMPORTANT

Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Very Short Answer Type Questions>Q 13

What is the function of anaerobic micro-organisms such as anaerobic bacteria in a biogas plant?

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Very Short Answer Type Questions>Q 14

Tidal energy is one of the forms in which solar energy manifests itself in oceans.

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Very Short Answer Type Questions>Q 15

Biomass is another form in which _____ energy manifests itself.

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Very Short Answer Type Questions>Q 15

Tidal waves build up and recede _____ (once/twice) a day.

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Short Answer Type Questions>Q 16

What is biomass? Give three examples of biomass.

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Short Answer Type Questions>Q 16

Name the biomass which is still widely used as a source of heat energy in many households of our country.

EASY

10th CBSE

IMPORTANT

Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Short Answer Type Questions>Q 17

What are the two ways in which cow-dung can be used as a fuel? Which of them is better and why?

MEDIUM

10th CBSE

IMPORTANT

Science for Tenth Class Part - 1 Physics>Chapter 3 - Sources of Energy>Short Answer Type Questions>Q 18

How is charcoal prepared? Explain why, charcoal is a better fuel than wood.