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प्रश्न
Nose bleeding may occur at a high altitude because
पर्याय
the atmospheric pressure decreases
the oxygen content of atmosphere decreases
the atmospheric pressure increasess
there are strong air currents at the high altitude
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उत्तर
the atmospheric pressure decreases
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संबंधित प्रश्न
How does the atmospheric pressure change with altitude?
What do the following indicate in a barometer regarding weather : sudden fall in the mercury level
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.
Select the correct option.
As we move upwards, the atmospheric pressure
At higher altitudes, air becomes ______
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?
Briefly explain the concept of variation of atmospheric pressure.
Why do Scuba divers wear special suits and equipment?
