Assertion :When a bullet is fired from a gun, the bullet pierces a wooden block and stops, changing the temperature of the bullet and the surrounding layers of wood.Reason : Temperature is related to the energy of motion of the bullet as a whole.

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$A s s e r t i o n :$ When a bullet is fired from a gun, the bullet pierces a wooden block and stops, changing the temperature of the bullet and the surrounding layers of wood.

$R e a s o n :$ Temperature is related to the energy of motion of the bullet as a whole.

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If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true but reason is not the correct explanation of assertion.

if assertion is true but reason is false.

if both assertion and reason are false

answer is C.

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Detailed Solution

When the bullet pierces a wooden block and stops, kinetic energy of the bullet gets converted into heat. Due to this, the temperature of the wood and the surrounding layers of wood increases. Temperature is related to the energy of the internal motion of the bullet not to the motion of the bullet as a whole.

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