In the troposphere, the normal laps rate i. e., the decrease in temperature with heights is of the order of

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In the troposphere, the normal laps rate i. e., the decrease in temperature with heights is of the order of

question_subject: 

Maths

question_exam: 

IES

stats: 

0,20,6,2,4,20,0

keywords: 

{'troposphere': [6, 1, 1, 1], 'temperature': [0, 1, 1, 7], 'decrease': [0, 0, 0, 1], 'heights': [0, 0, 1, 0], 'metres': [0, 1, 1, 0]}

In the troposphere, the normal lapse rate refers to the rate at which the temperature decreases with an increase in altitude. The correct answer is option 3, which states that the normal lapse rate is 1° Celsius for 165 meters.

Option 1 suggests a decrease of 1° Celsius for 155 meters, which implies a slightly steeper decrease in temperature per unit of altitude compared to the correct answer. Option 2 suggests a decrease of 1° Celsius for 160 meters, which again implies a slightly steeper decrease per unit of altitude compared to the correct answer.

Option 4 suggests a decrease of 1° Celsius for 170 meters. Although this option implies a shallower decrease per unit of altitude compared to the correct answer, it is still incorrect as it does not accurately represent the normal lapse rate in the troposphere.

Overall, option 3 is the closest and most accurate representation of the normal lapse rate in the troposphere.