The weather report reads- -Temperature 20- C - Relative humidity 100 - - What is the dew point-A- Can-t be said-B- Less than 20- CC- 20- CD- More than 20- C

The correct option is C 20^∘ CTemp is 20^∘ Relative humidity = 100% So the air is saturated at 20^∘ C Dew point is the temperature at which SVP is equal ...

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Standard X

Physics

Humidity

The weather r...

Question

The weather report reads, “Temperature $20^{\circ} C$ : Relative humidity $100 %$ ”. What is the dew point?

Less than

20^{\circ} C

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20^{\circ} C

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More than

20^{\circ} C

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Can’t be said.

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Solution

The correct option is B $20^{\circ} C$
Temp is $20^{\circ}$ Relative humidity = $100 %$
So the air is saturated at $20^{\circ} C$
Dew point is the temperature at which SVP is equal to present vapour pressure
So $20^{\circ} C$ is the dew point.

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One litre of water at 30°C is mixed with one litre of water at 50°C. The temperature of the mixture will be
(a) 80°C
(b) more than 50°C but less than 80°C
(c) 20°C
(d) between 30°C and 50°C

Question 8
One liter of water at $30^{\circ} C$ is mixed with one liter of water at $50^{\circ} C$ . The temperature of the mixture will be

(a) $80^{\circ} C$
(b) more than $50^{\circ} C$ but less than $80^{\circ} C$
(c) $20^{\circ} C$
(d) between $30^{\circ} C$ and $50^{\circ} C$

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The weather report reads, “Temperature 20∘C: Relative humidity 100%”. What is the dew point?

The correct option is B 20∘CTemp is 20∘ Relative humidity = 100% So the air is saturated at 20∘C Dew point is the temperature at which SVP is equal to present vapour pressure So 20∘C is the dew point.

The weather report reads, “Temperature $20^{\circ} C$ : Relative humidity $100 %$ ”. What is the dew point?

The correct option is B $20^{\circ} C$
Temp is $20^{\circ}$ Relative humidity = $100 %$
So the air is saturated at $20^{\circ} C$
Dew point is the temperature at which SVP is equal to present vapour pressure
So $20^{\circ} C$ is the dew point.