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प्रश्न
Which instruments are normally available in Class-I observatory to measure the weather phenomena?
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उत्तर
The highest category is Class-I. Typical instrumental facility available in a Class-I observatory consists of the following:
- Maximum and minimum thermometers
- Anemometer and wind vane
- Dry and Wet bulb thermometer
- Rain gauge
- Barometer
संबंधित प्रश्न
Write true or false. Correct the false statement.
‘4 o’clock showers’ are caused by cyclonic rainfall.
What is a hygrometer?
For a week, gather information on the weather conditions of your city using simple instruments or from weather reports published in newspapers. Present this information in a table. One has been done for you here. My observation of the weather for a week.
| Weather Conditions | |||
| Day | Date | Morning | Evening |
| Tuesday | 1.5.2017 | Sunny, clear sky, warm, no rainfall | Cloudy, cold, slight drizzle |
From the weather report published in your local newspaper, record the time of sunrise and sunset for a month in your notebook, as shown below: My observation of the time of sunrise and sunset for the month of ______ 20, ______
| Date | Time of sunrise | Time of sunset | Calculation of length of the day |
| 10 June 2017 | 5.24 a.m. | 5.51 p.m. | 12 hours and 27 minutes |
Which two liquids are used in maximum and minimum thermometers?
If there is more humidity in the air, the difference between the readings of a dry bulb and a wet-bulb will be______.
