Lumen, Physics

Assignment Help:

lumen; lm:

The derived SI unit of luminous flux, described as the luminous flux emitted through a uniform point source of 1 cd emitting its luminous energy on a solid angle of 1 sr; thus it has units of cd sr.


Related Discussions:- Lumen

Project , formula used in thermoelectric thermometer experiment

formula used in thermoelectric thermometer experiment

The frequency of the sound , A source producing sound at frequency 400 Hz i...

A source producing sound at frequency 400 Hz is moving along the Y axis with a speed of 22 metre per second. A listener is situated at position (660m,0). Find the frequency of the

Define space station pressure (mit), Define Space Station Pressure (MIT)? ...

Define Space Station Pressure (MIT)? A space station consists of a huge cylinder of radius Ro filled with air. The  cylinder revolve about its symmetry axis at an angular  spee

Classes of magnetic materials: ferrimagnetism, Ferromagnetic materials exhi...

Ferromagnetic materials exhibit magnetic behaviour similar to ferromagnetism below a critical temperature, known as curie temperatures. Above which it turns out to be paramagnetic.

Unit and dimension of displacement, UNIT AND DIMENSION OF DISPLACEMENT. ...

UNIT AND DIMENSION OF DISPLACEMENT.  The S1-unit of displacement is metre (m).  The dimension of displacement is [L] or [M o LT o ]

Does a soccer ball go faster in the air on a cold or hot day, Does a soccer...

Does a soccer ball go faster in the air on a cold or hot day? On a hot day, the air molecules have much kinetic energy - they move more freely. They will move out of the way of

Polarisation, production and analysis of diffrent polarised light

production and analysis of diffrent polarised light

Difference between bi-prism fringes and newton''s rings, Q. What are the di...

Q. What are the differences between fringes obtained in Newton's ring experiment and those produced by a bi-prism.   Difference between Bi-Prism Fringes and Newton's rings

Calculate its efficiency as a percentage, A 100 hp car engine operates ata ...

A 100 hp car engine operates ata bout 15 percent efficiency. Assume the engine's water temperature of 85°C is it scold-temperature (exhaust) reservoir and 500°C is its thermal "int

Explain range of projectile, RANGE OF PROJECTILE:  "It is the horizonta...

RANGE OF PROJECTILE:  "It is the horizontal distance covered by the projectile from the point of projection to the point where it returns to its level of projection".

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd