Question

Dew point temperature, in degrees Celsius (^\circ\text C)(
∘
C)left parenthesis, degrees, start text, C, end text, right parenthesis, is defined as the temperature to which the air would have to cool in order to reach saturation. For a temperature of 35^\circ\text C35
∘
C35, degrees, start text, C, end text, an estimate of the dew point can be obtained by first subtracting 20^\circ \text{C}20
∘
C20, degrees, start text, C, end text from the temperature, and then adding 1^\circ1
∘
1, degrees for every increase of 555 points in the relative humidity, RRR. If the dew point is 30^\circ \text{C}30
∘
C30, degrees, start text, C, end text, which of the following equations best models the situation?

Answer 1

Answer:

The answer is D

Step-by-step explanation:

Answer 2

Option D will be the answer.

  Given in the question,

Steps to calculate the Dew point temperature,

1. Subtract 20°C from the original temperature.
2. Add 1° for every 5points in the relative humidity R.

If the original temperature is 35°C,

Step 1,

Subtract 20°C → (35°- 20°) = 15°

Step 2,

Add 1° foe every 5 points,

Hence, Dew point temperature = $15^\circ+\frac{1}{5}R$

If the dew point is 30°C, expression will be,

$30^\circ=15^\circ+\frac{1}{5}R$

  Therefore, Option D will be the answer.

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