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

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∘CTemperature = 20 ∘C Relative humidity = 100% Even if the temperature drops, the dew point remains unaffected. The air has vapour pressure which is the saturation vapour pressure at 10 ∘C, does not change on temperature.

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

The correct option is B $20^{\circ} C$
Temperature = $20^{\circ} C$
Relative humidity = $100 %$

Even if the temperature drops, the dew point remains unaffected. The air has vapour pressure which is the saturation vapour pressure at $10^{\circ} C$ , does not change on temperature.