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The molar mass of hydrogen is 2.02×10-3 kg/mol, and radius of earth is 6.37×106 m, also value of acceleration due to gravity on earth's surface is 9.8 m/s².
Q. The temperature at which the rms speed for molecular hydrogen is equal to the speed of escape from earth is :
  • a)
    10³ K
  • b)
    104 K
  • c)
    105 K
  • d)
    106 K
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
The molar mass of hydrogen is 2.02×10-3kg/mol, and radius of ear...
Escape velocity = 11.2 km/s
put this velocity equals to the rest velocity and calculate

answer is B
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The molar mass of hydrogen is 2.02×10-3kg/mol, and radius of earth is 6.37×106m, also value of acceleration due to gravity on earth's surface is 9.8 m/s².Q. The temperature at which the rms speed for molecular hydrogen is equal to the speed of escape from earth is :a)10³ Kb)104Kc)105Kd)106KCorrect answer is option 'B'. Can you explain this answer?
Question Description
The molar mass of hydrogen is 2.02×10-3kg/mol, and radius of earth is 6.37×106m, also value of acceleration due to gravity on earth's surface is 9.8 m/s².Q. The temperature at which the rms speed for molecular hydrogen is equal to the speed of escape from earth is :a)10³ Kb)104Kc)105Kd)106KCorrect answer is option 'B'. Can you explain this answer? for JEE 2025 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about The molar mass of hydrogen is 2.02×10-3kg/mol, and radius of earth is 6.37×106m, also value of acceleration due to gravity on earth's surface is 9.8 m/s².Q. The temperature at which the rms speed for molecular hydrogen is equal to the speed of escape from earth is :a)10³ Kb)104Kc)105Kd)106KCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The molar mass of hydrogen is 2.02×10-3kg/mol, and radius of earth is 6.37×106m, also value of acceleration due to gravity on earth's surface is 9.8 m/s².Q. The temperature at which the rms speed for molecular hydrogen is equal to the speed of escape from earth is :a)10³ Kb)104Kc)105Kd)106KCorrect answer is option 'B'. Can you explain this answer?.
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