Luminous efficacy of a typical HPSV lamp is in range of

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Rajasri Mundrathi Staff asked 3 years ago

Options:
a) 40 – 70 lm/watt.
b) 70 – 120 lm/watt.
c) 120 – 200 lm/watt.
d) 10 – 40 lm/watt

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Rajasri Mundrathi Staff answered 3 years ago

The correct answer is
70 – 120 lm/watt