Condensation

Q.

How are frosts formed?

Q. Which of the following are the different forms of condensation process?

1. Dew
2. Frost
3. Fog
4. Precipitation

Q. If the dew point is above the freezing point, water forms dew over surfaces.

1. True
2. False

Q. What is condensation?

1. Conversion of vapour to liquid
2. Conversion of vapour to gas
3. Conversion of liquid to vapour
4. Conversion of liquid to gas

Q.

Define condensation.

Q. Which clouds resemble cotton wool?

1. Cumulus
2. Stratus
3. Nimbus
4. Cirrus

Q. Which clouds are known as the dark rain clouds?

1. Cumulus
2. Stratus
3. Nimbus
4. Cirrus

Q. Condensation takes place when __ air comes in contact with some colder object like metal, leaves, glass, etc.

1. hot
2. warm
3. moist
4. dry

Q. In which of the following ways do dew and frost differ?

1. Physical state of water
2. Surface on which it occurs
3. Regions in which it occurs
4. Temperature constraint for it to occur

Q. Which of these conditions are necessary for the formation of dew?

1. Previous night has to be cold.
2. Previous night has to be warm.
3. Relative humidity has to be high.
4. Relative humidity has to be low.

Q. What is a condensation process?

1. The conversion of vapour to liquid
2. The conversion of vapour to solid
3. The conversion of liquid to vapour
4. The conversion of liquid to solid

Q. ___ clouds are formed in the upper atmosphere in clear skies and have a feather-like appearance.

1. Nimbostratus
2. Cumulus
3. Altocumulus
4. Cirrus

Q. Cumulus clouds are generally found between which of the following altitudes?

1. 4, 000 to 7, 000 m
2. 7, 000 to 10, 000 m
3. 3, 000 to 4, 000 m
4. 7, 000 to 11, 000 m

Q. The presence of a ___ is essential for the condensation process to happen.

1. gas
2. nucleus
3. liquid
4. plasma

Q. In which of the following ways do dew and frost differ?

1. Physical state of water
2. Surface on which it occurs
3. Regions in which it occurs
4. Temperature constraint for it to occur

Q. Which clouds are dark rain clouds?

1. Cumulus
2. Stratus
3. Nimbus
4. Cirrus

Q. Which of the following is not a type of cloud?

1. Nimbus
2. Stratus
3. Columbus
4. Cirrus

Q. What is essential for condensation to take place?

1. Nuclei
2. Human presence
3. High wind
4. Altitude

Q. Dew may appear as a result of condensation of water vapour after a cold and humid night.

1. True
2. False

Q.

Define condensation?

Q. and are mid-altitude clouds.

Note: Fill in the blanks in reverse alphabetical order.

1. Altocumulus
2. Altostratus
3. Stratocumulus
4. Cirrus

Q. Which of the following clouds are formed at lower heights?

1. Cirrus
2. Cumulus
3. Nimbus
4. Stratus

Q. In case of dew, condensation does not taking place around a nucleus in the atmosphere, but on a ___ near the ground.

1. warm surface
2. cold surface
3. insulated surface
4. thermal conductor

Q. In which forms can condensation take place?

1. Dew
2. Frost
3. Fog
4. Rain

Q. Which of the following clouds are formed at lower heights?

1. Cirrus
2. Cumulus
3. Nimbus
4. Stratus