Question:medium

Specific impulse of a rocket engine is defined as

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The specific impulse of a rocket is \[ \boxed{ I_{sp} = \frac{F}{\dot{m}g_0} } \] and is measured in \[ \boxed{\text{seconds (s).}} \]

Updated On: Jul 14, 2026

Thrust produced per unit chamber pressure
Thrust produced per unit weight flow rate of propellant
Exhaust velocity divided by mass flow rate
Chamber pressure divided by mass flow rate

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The Correct Option is B

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