Question:medium

What is the normal rate of decrease of temperature in troposphere with increase in height?

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Remember the important lapse rates: \[ \boxed{ \begin{aligned} \text{Normal Environmental Lapse Rate} &\rightarrow 6.5^\circ\mathrm{C}/1000\ \mathrm{m}, \text{Dry Adiabatic Lapse Rate} &\rightarrow 10^\circ\mathrm{C}/1000\ \mathrm{m}, \text{Saturated Adiabatic Lapse Rate} &\rightarrow \approx 5\text{--}6^\circ\mathrm{C}/1000\ \mathrm{m}. \end{aligned} } \] Mnemonic: “Normal = 6.5, Dry = 10.”
Updated On: Jul 29, 2026
  • $4^\circ\mathrm{C}/1000\ \mathrm{m}$
  • $5^\circ\mathrm{C}/1000\ \mathrm{m}$
  • $6.5^\circ\mathrm{C}/1000\ \mathrm{m}$
  • $10^\circ\mathrm{C}/1000\ \mathrm{m}$
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The Correct Option is C

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