Rocket engines lift a rocket from the earth surface because hot gas with high velocity [AIIMS 19...

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Rocket engines lift a rocket from the earth surface because hot gas with high velocity
[AIIMS 1998; JIPMER 2001, 02; Similar CPMT 1980]
(a) Push against the earth
(b) Push against the air
(c) React against the rocket and push it up
(d) Heat up the air which lifts the rocket
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