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One thermometer that is held 2 meters above
the floor shows a temperature of 30 degrees C. A
thermometer on the floor shows a temperature
of 24 degrees C. What is the temperature gradient
between the two thermometers?
(1) 6 C/m (2) 2 C/m (3) 3 C/m (4) 4 C/m


Sagot :

The temperature gradient shows the direction and rate of temperature change

The correct option that gives the temperature gradient between the two thermometers is option;

(3) 3 °C/m

Reason:

Known parameters are;

Temperature which the thermometer held at Δd = 2 meters above the floor shows, T₁ = 30°C

Temperature the thermometer on the floor shows, T₂ = 24°C

Required:

The temperature gradient between the two thermometers

Solution:

ΔT = T₁ - T₂

[tex]Temperature \ gradient = \dfrac{\Delta T}{\Delta d}[/tex]

Therefore;

[tex]Temperature \ gradient \ between \ the \ thermometers= \dfrac{30 ^{\circ}C - 24 ^{\circ}C}{2 \, m} = 3 \, ^{\circ}C /m[/tex]

The temperature gradient between the two thermometers = 3°C/m

Therefore, the correct option is option (3) 3°C/m

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