Advertisements
Advertisements
Question
The gravitational pull of the moon cause the sea-water to rise periodically.
(a) What name is given to the condition of the sea when water to rise periodically.
(b) What name is given to the condition of the sea when its raised water recedes?
(c) What name is given to the energy which can be harnessed from this natural phenomenon?
(d) Draw labelled diagram to show how this energy can be harnessed from this natural
Solution
(a) The name 'high tide' is given to the condition of the sea when its water is raised.
(b) The name 'low tide' is given to the condition of the sea when its raised water recedes.
(c) The name of the form of energy that can be harnessed by this process is 'tidal energy'.
(d)
APPEARS IN
RELATED QUESTIONS
What is a source of energy? What are the two main categories of the sources of energy?
Name two sources of energy that you think are renewable. Give reason for your choice.
The calorific values of three fuels A, B and C are 33 kJ/g, 48 kJ/g and 150 kJ/g, respectively. A is solid, B is liquid and C is a gas at room temperature. One combustion, both A and B produce carbon dioxide while C explodes forming steam. B and C leave no residue after combustion while A leaves behind some solid residue. Which one of the three fuels is the most ideal? Give two reasons to support your answer.
Name any one hydrocarbon fraction obtained during the fractional distillation of petroleum which is used as a domestic fuel.
What are the various fuels which are used to generate electricity in a thermal power plant?
Which fossil fuels were formed by the buried remains of small plants and animals?
The source of energy of the sun is:
(a) conversion of hydrogen gas into helium
(b) conversion of carbon fuel into carbon dioxide
(c) burning of hydrogen gas present in the sun
(d) disintegration of uranium into barium and krypton
How long are the energy resources of the earth like coal, petroleum and natural gas expected to last?
Renewable source of energy is :
State whether the following is True or False.
The Sardar Sarovar Dam is built on the river Narmada.
