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The recoil velocity of a lighter gun is [[1]][less/more] than that of a heavier gun.

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Detailed Solution

The recoil velocity of a lighter gun is more than that of a heavier gun.
When a gun is fired, momentum is conserved.

mas s_{gun} \times velocit y_{gun} = mas s_{bullet} \times velocit y_{bullet} = constant

The recoil velocity of the gun is inversely proportional to the mass of the gun. For less recoil velocity, we use heavier guns.
Since the mass of the gun is much more than the mass of the bullet, its velocity is less significant than the velocity of the bullet. Hence heavier guns have less recoil than lighter guns.

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