Advertisements
Advertisements
Question
Distinguish between the following:
Isobars and Isotherms
Solution
Isobars :
- These are the lines joining the places of the same air pressure.
- The closeness of these lines indicates the intensity of pressure.
Isotherms :
- These are the lines joining the place of the same air temperature.
- The closeness of these lines indicates the intensity of temperature.
APPEARS IN
RELATED QUESTIONS
Explain why holes are made in hanging banners and hoardings.
The atmospheric pressure is nearly 105 Pa.
Give reason for the following:
A balloon collapses when air is removed from it.
Explain the following :
Two holes are made in a completely filled sealed tin can to take out oil from it .
How is water drawn up from a well by a water pump?
Give reasons for the following:
As we go higher, the atmospheric pressure decreases.
Give reasons for the following:
Temperature and pressure are inversely related to one another.
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?
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
It is much easier to burst an inflated balloon with a needle than by a finger. Explain.