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प्रश्न
Nose bleeding may occur at a high altitude because
विकल्प
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
Suggest two methods to find out wind direction at a given place.
What do you understand by atmospheric pressure?
Explain the following :
A balloon collapses when air is removed from it.
Explain the following :
Water does not run out of a dropper unless its rubber bulb is pressed .
Why is the barometric height used as unit to express the atmospheric pressure?
How will you show that there is vacuum above the surface of mercury in a barometer? What name is given to this vacuum?
What is meant by the term ‘Atmospheric Pressure’?
Give reason:
Air pressure decreases with increasing altitude.
What is meant by atmospheric pressure?
Briefly explain the concept of variation of atmospheric pressure.
