Advertisements
Advertisements
प्रश्न
Which of the following is ultimately not derived from the sun's energy (or solar energy)?
(a) wind energy
(b) nuclear energy
(c) biomass energy
(d) ocean thermal energy
उत्तर
nuclear energy
Nuclear energy comes from the nucleus of an atom.
APPEARS IN
संबंधित प्रश्न
Calorific value and ignition temperature of fuel X are 75 kJ/g and 20°C respectively. These values for fuel Y are 50 kj/g and 75°C respectively. On burning, the fuel Y produces only CO2while fuel X produces CO2 and CO. Which of the two is a better fuel? Give two reasons to support your answer.
LPG consists mainly of:
(a) butane
(b) ethane
(c) butanone
(d) methane
Name the original source of wind energy.
Describe the construction and working of a biogas plant with the help of a labelled diagram.
Which of the two is more energy efficient: filament type electric bulb or CFL? Why?
Fill in the blank
__________ are examples of renewable energy resources.
State whether the following is True or False.
China, the USA, and Spain are major producers of wind energy.
Name a few major producers of petroleum in the world.
Name two forms of sea energy.
Fill in the blanks and complete the story.
About 300 million years ago, the earth had dense ______ in low lying wetland areas. Due to natural processes like ______ these forests got buried under the ______ As more ______ deposited over them, they were compressed. The ______ also rose as they sank deeper and deeper. Under high ______ and high ______ , dead plants got slowly converted into coal.