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प्रश्न
Which two liquids are used in maximum and minimum thermometers?
विकल्प
Mercury and water
Water and alcohol
Mercury and alcohol
None of these
उत्तर
Mercury and alcohol
APPEARS IN
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 |
If there is more humidity in the air, the difference between the readings of a dry bulb and a wet-bulb will be______.
Which instruments are normally available in Class-I observatory to measure the weather phenomena?
