Question

13. For which of the given is luminous efficiency max mum? A) Sodium vapour lamp ) Mercury vapour lampफॉर विच ऑफ़ गिवेन लुमिनस एजेंसी मैक्सिमम लाइक सोडियम वेपर एंड मर्करी वेपर लैंप एंड टंगस्टन फिलामेंट लैंप एंड आफ लाइन ​

Answer 1

Answer:

The highest perception of brightness experienced by the human eye is generated with green light on the 555 nm wavelength. The greatest luminous efficacy which can theoretically be achieved at 555 nm is, altogether, 683 lm/W. In this context the expert refers to the »photometric radiation equivalent Km«

Explanation:

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