Question

The working of a rocket is based on the principle of
किसी रॉकेट के काम करने का सिद्धांत किस पर आधारित है:
(a) Conservation of momentum / संवेग का संरक्षण
(b) Conservation of mass/ द्रव्यमान का संरक्षण
(c) Conservation of energy/ ऊर्जा का संरक्षण
(d) Conservation of angular momentum/ कोणीय संवेग का संरक्षण​

Answer 1

Answer:

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your answer is here !

Explanation:

option A (Conservation of momentum) is right answer !

The working of a rocket is based on the principle of conservation of momentum as in the absence of external forces, the total momentum of the system remains conserved.

here. just before launching, the momentum of the rocket is zero and the rocket is fired it forces a jet of hot gases with a high velocity.

follow me !

Answer 2

In a rocket, the hot gases are thrown out with incredible velocities which push the rocket upward with equal and opposite magnitude. This is also called as the Newton's Third Law of Force.

As the fuel is used in a rocket, its mass decreases but the velocity attained by it increases. Therefore, the rocket keeps accelerating.

Hence, the rockets work on the principle of Conservation of Momentum.

So, the correct answer is Option (A) Conservation of Momentum !