Which of the following letters of the Alphabet change(s), when viewed through a mirror?

(A) W

(B) N

(C) S

(D) T

Choose the correct answer from the options given below:

When a letter is viewed through a mirror, it appears as a horizontally flipped reflection. Letters that have vertical symmetry remain unchanged, while letters without vertical symmetry appear different.

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Analyzing letter W:

W has vertical line symmetry (symmetric about a vertical axis through its center).

When reflected in a mirror, W appears identical to its original form.

W does NOT change.

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Analyzing letter N:

N does NOT have vertical line symmetry.

When reflected in a mirror, the diagonal stroke that goes from bottom-left to top-right would appear to go from bottom-right to top-left.

The mirror image of N is reversed and appears different.

N CHANGES.

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Analyzing letter S:

S does NOT have vertical line symmetry.

When reflected in a mirror, the curves flip horizontally and the letter appears backwards.

The mirror image of S is reversed and appears different.

S CHANGES.

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Analyzing letter T:

T has vertical line symmetry (symmetric about the vertical line through its center).

When reflected in a mirror, T appears identical to its original form.

T does NOT change.

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The letters that change when viewed through a mirror are N and S, which correspond to (B) and (C).

Therefore, the correct answer is Option 1: (B) and (C) only.