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प्रश्न
The amount of vapour in 1 cu.m. of air shows the ______.
विकल्प
Cumulonimbus
Relative humidity
Absolute humidity
Condensation
Vapour-holding capacity
उत्तर
The amount of vapour in 1 cu.m. of air shows the Absolute humidity.
Explanation:
Absolute humidity is the amount of water vapour in 1 cu.m of the atmosphere. For instance, near coastal regions, absolute humidity in the air is likely to be higher than near the poles.
संबंधित प्रश्न
State three factors which affect the rate of evaporation of a liquid.
Why is cooling produced on evaporation of a liquid?
Why does all the water of the earth not get evaporated during hot summer days ?
What type of clothes should we wear in summer ? Why ?
How can the evaporation of a liquid be made faster ?
The scientists now say that there are actually five states of matter A, B, C, D and E. The state A has a fixed volume but no fixed shape. The state B can be compressed very easily by applying pressure and state C has a fixed shape as well as a fixed volume. The state D is a mixture of free electrons and ions whereas state E is named after an Indian scientist and a famous physicist.
- Name the physical states (i) A (ii) B (iii) C (iv) D, and (v) E
- Name one substance belonging to state C which can directly change into vapours on heating. What is this process known as ?
- Name one substance which normally belongs to state B but whose solid form changes directly into gaseous state.
- Name the most common substance belonging to state A.
- Which state of matter makes the sun and other stars to glow ?
Give a geographical reason:
Air becomes saturated.
Can you suggest a method to collect water from sea water?
The rate of evaporation ______ with rising temperature.
Evaporation is a fast process and occurs only at the surface of the liquid.
