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PhysicsModern PhysicsNuclear physicsHard2 minPYQ_2011

PhysicsHardsingle choice

Assertion : For nuclear reactor, it is desirable to have $k = 1$ . Reason : Sustained chain reaction occur at this critical condition.

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Answer:

Solution:

Multiplication factor $(k)$ is a measure of the growth rate of neutrons in the reactor. For $k = 1$ ; the operation of the reaction is said to be critical condition at which sustained chain reaction occurs. If $k$ becomes greater than the reaction rate and reactor power increases exponentially.

Stream:AIIMSSubject:PhysicsTopic:Modern PhysicsSubtopic:Nuclear physics

⏱ 2mℹ️ Source: PYQ_2011

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