2011 CSAT, all questions

UPSC Prelims 2011 · CSAT

Question 36: Basic Numeracy

Consider the figure given below and answer the item that follows : In the figure shown above, OP_1 and OP_2 are two plane mirrors kept perpendicular to each other. S is the direction of a beam of light falling on the mirror OP_1. The direction of the reflected beam of light from the mirror OP_2 will be

two plane mirrors drawn as hatched lines meeting at a right angle at O, OP_1 horizontal and OP_2 vertical, with an arrow S showing a beam of light falling on the mirror OP_1
aPerpendicular to the direction S.
bAt 45° to the direction S.
cOpposite and parallel to the direction S.
dAt 60° to the direction S.

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Source: UPSC, Civil Services (Preliminary) Examination 2011, General Studies Paper II (CSAT), Series A. The paper on upsc.gov.in.