Saturated and Unsaturated Vapour

IMPORTANT

Saturated and Unsaturated Vapour: Overview

This topic covers concepts such as Humidity, Dew Point Temperature, and Relative Humidity.

Important Questions on Saturated and Unsaturated Vapour

MEDIUM
IMPORTANT

What is vapour pressure and what causes it?

EASY
IMPORTANT

Vapour that remains in contact with its liquid surface within a closed space is called _____.

(Choose from: saturated vapour/unsaturated vapour)

EASY
IMPORTANT

_____ are not seen on the leaves of tall trees.

(Choose from the following: Snows/Dews)

EASY
IMPORTANT

Higher humidity of air means _____ saturation.

(Choose from: quick/slow)

EASY
IMPORTANT

 _____ is the temperature at which the air becomes saturated with its own moisture.

(Choose from: melting point/Dew-point)

MEDIUM
IMPORTANT

In which season is the quantity of moisture in the air high? 

MEDIUM
IMPORTANT

The Dew Point temperature is always higher than the atmospheric temperature.

MEDIUM
IMPORTANT

Select the correct relation out of the following.

MEDIUM
IMPORTANT

The relative humidity at dew point is _____%

MEDIUM
IMPORTANT

The ratio of actual mass of vapour content in the air for a given volume and temperature to that required to make the air saturated with vapour at that temperature is called the _____. 

EASY
IMPORTANT

Which factor is responsible for sweaty feelings on a hot day? (Choose from wind speed or humidity).

MEDIUM
IMPORTANT

Differentiate between relative humidity and dew point temperature.

MEDIUM
IMPORTANT

The vapour content in the air is measured using a physical quantity called _____.

EASY
IMPORTANT

Which of these places is most likely to have high humidity? Mark the correct answer. Give reasons for your choice.

EASY
IMPORTANT

During a cricket match, the commentators sometimes talk about the 'dew factor' which will make the ball slippery and difficult to grip. At what time of the day is this most likely to occur? Mark the correct answer. 

MEDIUM
IMPORTANT

Humidity is measured in percentage using this instrument.

EASY
IMPORTANT

The amount of water vapour present in the air is called humidity.

MEDIUM
IMPORTANT

What is humidity?

EASY
IMPORTANT

The amount of water vapour present in the air is called _____.  

EASY
IMPORTANT

Water vapour in air is called humidity.