Prepare a list of five activities that you perform daily in which natural resources can be conserved or energy utilisation can be minimised.
1. Switch off our lights, fans, television and energy or light appliances when they are not in use.
2. Use solar panels instead of generators or inverters. Solar panel absorbs the sun’s rays as the source of the energy to generate electricity.
3. close the taps while we are brushing our teeth or shaving or do not take showers, use a bucket and close the tap when it gets filled.
4. Use the waste water of the aqua guard for watering the plants or connect the waste water pipe of aqua guard to the tanks and use this water for the animals or the birds for drinking.
5. We should use alternative sources like bicycles, public transport instead of going on a personal transport system to control the pollution or it automatically conserves the natural resources.
6. We should use reduce, reuse and recycling phenomena to conserve natural resources or also to maintain sustainable development.
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 0 , Question 33: Prepare a list of five activities that you perform daily in which natural resources can be conserved....
Comments