NEET Physics Question - Electrostatics - Electric Potential Energy

Assertion (A): Distance of closest approach for free target is more than that for fixed target.

Reason (R): Total energy is conserved for free target but not for fixed target.

Both (A) & (R) are true and the (R) is the correct explanation of the (A)

Both (A) & (R) are true but the (R) is not the correct explanation of the (A)

(A) is true but (R) is false

Both (A) and (R) are false

Solution:

For a free target, the target can recoil, sharing kinetic energy with the projectile, leading to less relative kinetic energy converted into potential energy, hence a larger distance of closest approach. Total energy is always conserved if only conservative forces are present for both free and fixed targets. Thus (A) is true and (R) is false.

Rankers Physics

Closest Approach Distance and Energy Conservation

Solution:

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