English
Karnataka Board PUCPUC Science Class 11

The Luminous Flux of a 1 W Sodium Vapour Lamp is More than that of a 10 Kw Source of Ultraviolet Radiation. Comment.

Advertisements
Advertisements

Question

The luminous flux of a 1 W sodium vapour lamp is more than that of a 10 kW source of ultraviolet radiation. Comment.

One Line Answer
Short/Brief Note
Advertisements

Solution

The luminous flux of a 1  W sodium vapour lamp is more than that of a 10 kW source of ultraviolet radiation. This is because the luminosity of a 1 W sodium vapour lamp is 589 nm or 589.6 nm, whereas the luminosity of UV radiation is zero.

shaalaa.com
Light Process and Photometry
  Is there an error in this question or solution?
Chapter 22: Photometry - Short Answers [Page 453]

APPEARS IN

HC Verma Concepts of Physics Volume 1 and 2 [English] Class 11 and 12
Chapter 22 Photometry
Short Answers | Q 2 | Page 453
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×