Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ - decoded step-by-step.
Solve it the standard way once - then learn the shortcut.
Q · Optics-Reflection of LightMedium · 45s
Statement: If an object moves 2 cm towards a plane mirror, its image will:
TopicOptics-Reflection of Light
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
The image shifts by the same amount behind the mirror, so total change = 2 × 2 cm = 4 cm.
Final Answer: Option C - Move 4 cm towards the mirror