Govt. Exams
Entrance Exams
In a vertical mirror image, the word is reversed horizontally. Each letter appears in mirror form and the sequence is reversed. 'COMPETITIVE' becomes 'EVITITEPMOC'.
In water image reflection about y = 0 (horizontal line), x-coordinates remain unchanged and y-coordinates are negated. (1, 3) becomes (1, -3).
Letters with vertical line symmetry (A, H, I, M, O, T, U, V, W, X, Y) appear identical in vertical mirror reflection. That's 11 letters total.
Mirror reflection preserves distances and angles. Side lengths AB and AC remain equal, and all sides maintain their original lengths in the mirror image.
In water image (horizontal reflection), digits are inverted and reversed. 2→ᄅ, 0→0, 2→ᄅ, 4→ᄅ, creating ᄅ0ᄅᄅ.
In water image reflection about y = 5, the x-coordinate remains same. The distance from (6) to line (5) is 1 unit, so reflection is 1 unit below: y = 5 - 1 = 4.
In a vertical mirror reflection of a clock, the time appears as if seen from behind. 3:15 reflects to 8:45 (12 - 3 = 9, but accounting for 15 minutes gives 8:45).
In a vertical mirror reflection, each letter is reversed horizontally and the sequence is reversed. MIRROR becomes RƆƖɹɹƖƜ when properly reflected.
Horizontal reflection preserves all lengths and angles. The parallel sides remain 6 and 4 units with difference = 2 units.
Both mirror reflection and water reflection are isometric transformations that preserve distances, angles, and area, but reverse orientation.
