Question

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☺Explanation needed ☺​

Answer 1

Answer:

1.

Given:

Temperature- 30°C

Vapour holding capacity- 30.37 gms/cu.m.

Absolute Humidity- 18 gms/cu.m.

Solution:

Relative humidity =

Absolute humidity (%) ×100

vapour holding capacity

=> 18×100

30.37

=59.27%

2.

Note: Absolute humidity is defined as "the amount of water vapour in 1 cu.m. of air."

Given,

• water vapour= 4.08 gms
• Volume of air= 1 cu.m.

Solution:

Thus, absolute humidity =

Measure of water vapour

Volume of air

= 4.08

1

=4.08 gm/m3

hope this helps you.

Answer 2

a)

The given temperature of the air ⇒ 30°C

Absolute humidity ⇒ 18 gms/cu.m.

Vapour-holding capacity ⇒ 30.37 gms/cu.m.

The relative humidity is known as the rational amount of water vapours in the air to the amount the air can hold at the temperature.

$\texttt{Amount of water vapour:Amount the air can hold at the temperature}$

In another way we can say that the relative humidity is the ratio of the air's water vapour content to the capacity of water vapour.

The ratio is mainly represented as a percentage.

$\sf Relative \ humidity => \frac{18.00}{30.37} \times 100$

$\sf => 59.26%$

∴ If the absolute humidity is 18 gms/cu.m. then the relative humidity would be 59.26%.

b)

Absolute humidity is the number of water vapours. That is the moisture amount in the atmosphere and surroundings.

Water vapour ⇒ 4.08 grams

The volume of air ⇒ 1 cu.m.

$\sf { Absolute \ humidity => \frac{Mass \ of \ water \ vapour}{ Unit \ volume \ of \ air} }$

$\sf => \frac{4.08}{1}=4.08$

∴ The absolute humidity is 4.08 gm/m³.