Advertisements
Advertisements
प्रश्न
Why does nose start bleeding on high mountains?
Advertisements
उत्तर
On mountains, the atmospheric pressure is quite low. As such, nose bleeding may occur due to excess pressure of blood over the atmospheric pressure.
APPEARS IN
संबंधित प्रश्न
Suggest two methods to find out wind direction at a given place.
How does the atmospheric pressure change with altitude?
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.
How does the atmospheric pressure change with altitude? Draw an approximate graph to show this variation.
State two factors which affect the atmospheric pressure as we go up.
Atmospheric pressure at sea level is 76 cm of mercury. Calculate the vertical height of the air column exerting the above pressure. Assume the density of air 1.29 kgm−3 and that of mercury is 13600 kgm−3. Why the height calculated by you is far less than the actual height of the atmosphere?
Define one atmosphere.
The highest air pressure at sea level was recorded at ______ Russia.
Give Reason for the following
Our ears pop in Airplanes.
