Advertisements
Advertisements
प्रश्न
उत्तर
APPEARS IN
संबंधित प्रश्न
A newly planted sapling usually grows and matures into a tree in more than:
(a) 50 years
(b) 25 years
(c) 45 years
(d) 15 years
Give one example of a good domestic fuel.
What is the main source of energy for Earth?
What percentage of total electrical power generated in India is obtained from nuclear power plants? Name two places in India where electricity is generated from nuclear power plants.
State the energy transformation in the following:
electricity is obtained from nuclear energy.
State two limitations of solar energy.
State four traditional uses of solar energy.
State two advantages and two limitations of wind as a source of energy.
The diagram in the following shows two air filled bulbs connected by a U-tube containing mercury kept equidistant from a glassing bulb.
(i) Explain, how will the level X and Y change? (ii) Give a reason for your answer.
Choose the correct statement
