Advertisements
Advertisements
प्रश्न
Write a short note.
Lake Tapping
उत्तर
- Lake tapping is a process in which a tunnel is dug out near the bottom of a lake upto the water-rock contact of the lake. The final layer of the rock is then blasted with the help of dynamite which provides the inflow of water into the tunnel with more speed.
- It is done to facilitate the generation of electricity when the water level goes down in peak summer.
- Thus, it also helps the areas suffering with drought due to scarcity of water during summer.
संबंधित प्रश्न
Answer the questions with the help of picture.
A) Which type of energy is produced?
B) This power plant is based on which energy source?
C) Is this power plant eco-friendly? How?
Solve the following crossword puzzle.
a. Maximum energy generation in india is done using..... energy.
b. ...... energy is a renewable source of energy
c. Solar energy can be called.... energy.
d .... energy of wind is used in wind mills.
e. ..... energy of water in dams is used for generation of electricity.
What is meant by green energy? Which energy sources can be called as green energy sources and why? Give examples.
Find an odd one out.
Find an odd one out.
Find an odd one out.
Find an odd one out.
Name any two natural gases.
Match the following.
| Column A | Column B |
| 1) Sunlight | a) Wind energy |
| 2) Natural gas | b) Environment friendly energy |
| c) Fossil fuel | |
| d) Atomic radiation |
Energy from fossil fuels and nuclear plants are not eco-friendly sources, why?
Explain: Fossil energy is not an example of green energy.
Which of the following units is different from the others? Why?
Solar electricity, wind electricity, atomic electricity, hydro electricity.
