0

Guest

Courses New

The luminous flux of a monochromatic source of 1 W is 450 lumen watt-1. Find the relative luminosity at the wavelength emitted.

The luminous flux of a monochromatic source of 1 W is 450 lumen watt-1. Find the relative luminosity at the wavelength emitted.

Grade:10

1 Answers

Aditi Chauhan
askIITians Faculty 396 Points
9 years ago
Sol. The luminous flux of the given source of 1W is 450 lumen/watt ∴ Relative luminosity = Lu min ous flux of a source of given wavelength/ Lu min ous flux of 555 nm source of same power = 450/685 = 666% [∴ Since, luminous flux of 555nm source of 1W = 685 lumen]

Think You Can Provide A Better Answer ?

Other Related Questions on Wave Optics

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More