‘Lumen’ is the unit of

Question

‘Lumen’ is the unit of (A) Luminous flux (B) Luminous intensity (C) illuminance (D) Light frequency

Tardigrade Admin · Accepted Answer

The lumen is the SI derived unit of luminous flux, a measured of the total quantity of visible light emitted by a source per unit time.
where,

1

lumen (

1

m )

= 1 C d / S r

∵ C d =

candela and

S r =

steradians

Q. ‘Lumen’ is the unit of