Advertisements
Advertisements
Question
State two factors which affect the atmospheric pressure as we go up.
Solution
Factors that affect the atmospheric pressure are:
(i) Height of air column
(ii) Density of air
APPEARS IN
RELATED QUESTIONS
The atmospheric pressure on earth surface is nearly .............. .
Describe a simple experiment to illustrate that air exerts pressure.
Explain how is the height of mercury column in tube of a simple barometer, a measure of 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?
At sea level, the atmospheric pressure is 76 cm of Hg. If air pressure falls by 10 mm of Hg per 120m of ascent, what is the height of a hill where the barometer reads 70 cm Hg. State the assumption made by you.
What is meant by atmospheric pressure?
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 water
What is meant by atmospheric pressure?
Give Reason for the following
Our ears pop in Airplanes.
Figure 8.2 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 rising in the level of the drink?
