Find out the source of water in your region/locality. Is water from this source available to all people living in that area?
In our region or locality water sources are only available to those people or the area which are approved by the local-civic authority. The water is supplied by the government agencies at the particular timing through the taps only when we on the motors. The government agencies supplied the water from the lakes, ponds etc. to their homes directly. In the rural areas, people obtain water from the ponds, wells, streams and rivers. These water sources are used by the people for all uses like cooking food, drinking, washing clothes etc; and in urban areas, water collection occurs. In this water transport occurs through the canals, tunnels, pipelines from these sites to the water harvesting systems.
You are given kerosene, turpentine and water. In which of these does the light travel fastest? Use the information given in Table 10.3.
| Material medium |
Refractive index |
Material medium |
Refractive index |
| Air | 1.0003 | Canada Balsam |
1.53 |
| Ice | 1.31 | ||
| Water | 1.33 | Rock salt | 1.54 |
| Alcohol | 1.36 | ||
| Kerosene | 1.44 | Carbon disulphide |
1.63 |
| Fused quartz |
1.46 | ||
| Turpentine oil |
1.47 | Ruby | 1.71 |
| Benzene | 1.50 | Sapphire | 1.77 |
| Crown glass |
1.52 | Diamond | 2.42 |
NCERT questions are designed to test your understanding of the concepts and theories discussed in the chapter. Here are some tips to help you answer NCERT questions effectively:
Welcome to the NCERT Solutions for Class 10 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 3 , Question 3: Find out the source of water in your region/locality. Is water from this source available to all peo....
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