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

Evaluate the velocity of electron, A radioactive atom is moving with respec...

A radioactive atom is moving with respect to the laboratory at a speed of 0.3 c in the x direction. If it emits an electron having a speed of 0.8 c in the rest frame of the atom, E

Determine the radius of the collapsed neutron star, A Neutron Star is forme...

A Neutron Star is formed in the aftermath of a Supernova explosion. The star was originally rotating with a period of 20 days and had a mass of 2x10 30 kg and radius of 6x10 8 m.

How to calculate n factor of disproportion reaction, How to calculate n fac...

How to calculate n factor of disproportion reaction? Total number of electron change divided by no. of moles of reactant This is conventional method Total electron chan

Resolution of forces, a small block of weight 10 Ib is placed on an incline...

a small block of weight 10 Ib is placed on an inclined plane which makes an angle of 30 degree with the horizon. resolve the gravitational force.

Circuits involving capacitive decay, Circuits involving capacitive decay: ...

Circuits involving capacitive decay: Consider the circuit shown below. Depending on the time constant of the circuit, relative to the period of the square wave applied to it,

Chapter 2, How long does it take for reach that speed

How long does it take for reach that speed

Explain wave motion, Wave motion is the phenomenon in which the particle/ma...

Wave motion is the phenomenon in which the particle/matter ruins at the point where it is.  But the disturbance/energy get transferred from one point to the other.  The particle ju

Christmas carol, one of scrooges relatives visited him in the counting hous...

one of scrooges relatives visited him in the counting house. who was it and what did he want ........................... i couldnt found a subject with reading

Circuit theory, what is significance of kirchoff''s law?

what is significance of kirchoff''s law?

Bulbs can fail without blowing the fuse - electricity, A holiday light stri...

A holiday light string of ten bulbs is equipped with shunts that short out the bulbs when the voltage drop increases to line voltage, which happens when a bulb burns out. Every bul

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