Question:
The geothermal gradient is expressed in
The geothermal gradient is expressed in
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The geothermal gradient describes how the temperature inside the Earth increases as we go deeper below the surface.
Updated On: Jun 16, 2026
- Degree Celsius/km\(^2\)
- Degree Celsius/km
- km\(^2\)/Degree Celsius
- km/Degree Celsius
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The Correct Option is B
Solution and Explanation
Concept:
The geothermal gradient describes how the temperature inside the Earth increases as we go deeper below the surface.
Step 1:
It is defined as the rate of change of temperature with depth, that is the increase in temperature per unit increase in depth.
Step 2:
Since temperature is measured in degrees Celsius and depth in kilometres, the gradient is expressed as degrees Celsius per kilometre (Degree Celsius/km). A typical value is about 25 to 30 degrees Celsius per km.
Answer: Option (2) — Degree Celsius/km.
The geothermal gradient describes how the temperature inside the Earth increases as we go deeper below the surface.
Step 1:
It is defined as the rate of change of temperature with depth, that is the increase in temperature per unit increase in depth.
Step 2:
Since temperature is measured in degrees Celsius and depth in kilometres, the gradient is expressed as degrees Celsius per kilometre (Degree Celsius/km). A typical value is about 25 to 30 degrees Celsius per km.
Answer: Option (2) — Degree Celsius/km.
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