1.

Match the lamps in Group I with their Colour Rendering Index (CRI) in Group IIGroup IGroup IIP. Mercury Vapour1. 65 - 70Q. Metal Halide2. 40 - 55R. High-pressure sodium3. 20 - 25S. Low-pressure sodium4. 60 - 64

A. P - 4, Q - 2, R - 1, S - 3
B. P - 3, Q - 2, R - 4, S - 1
C. P - 2, Q - 1, R - 4, S - 3
D. P - 4, Q - 3, R - 2, S - 1
Answer» D. P - 4, Q - 3, R - 2, S - 1


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