Advertisements
Advertisements
प्रश्न
What do the following indicate in a barometer regarding weather : gradual fall in the mercury level
Advertisements
उत्तर
It indicates that the moisture is increasing i.e., there is a possibility of rain.
संबंधित प्रश्न
Nose bleeding may occur at a high altitude because
Describe an experiment to demonstrate that air exerts pressure.
Illustrate with the help of a labelled diagram of a simple barometer that the atmospheric pressure at a place is 76 cm of Hg.
Give two reasons for use of mercury as a barometric liquid.
Mention two demerits of a simple barometer and state how they are removed in a Fortin barometer .
At a given place, a mercury barometer records a pressure of 0.70 m of Hg. What would be the height of water column if mercury in barometer is replaced by water? Take density of mercury to be = 13.6 × 103 kg m-3.
A solid weighs 2.10 N in air. It has a relative density of 8.4. How much will the body weigh if placed: In a liquid of relative density 1.2
High pressure is called ______.
Figure shows a child blowing air with a straw near the opening of another straw which has its other end in a soft drink bottle. It was observed that the level of the soft drink in the straw rises up as soon as air is blown over its open end. Which one of the following best explains the reason for rise in level of the drink?
