Question

Let the human heart discharges 100 ml of blood at each beat against a pressure of 0.1 m of Hg. The power of the heart (assuming that the pulse frequency is 60 beats per minute) is : [ take density of Hg = 13.6 × 10³ kg/m³ and g = 10 m/s² ]

Asked in HTET PGT Physics · 2025
Power · Physics
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PhysicsWork Power and EnergyPowerHTET PGT Physics2025
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One kilowatt-hour is 3.6 × 10⁶ joules.

Correct AnswerCorrect option for this question
Option C — 36 W

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Questions Asked from Power: Formula, Units & Horsepower in Previous Exams

See how often Power: Formula, Units & Horsepower has appeared in previous-year questions across major government exams.

High Exam Frequency
14UPSC Questions Asked in These Years:2010, 2011, 2012, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2023, 2024, 2026
9SSC Questions Asked in These Years:2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
7Railways Questions Asked in These Years:2016, 2018, 2021, 2022, 2024, 2025, 2026
16State PSC Questions Asked in These Years:2002, 2004, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
Power: Formula, Units & Horsepower has appeared in 46 previous-year exam questions, most frequently in State PSC, UPSC and SSC.
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