If 
of the energy supplied to a bulb is irradiated as visible light, how many quanta are emitted per second by a 100 W lamp? (Assume, wavelength of visible light as 
cm):
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Energy radiated as visible light 
Let N be the number of photons emitted per second. Then, 
N = 
= 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
The work function of a surface of a photo-sensitive material is 6.2 eV. The wavelength of the incid…
The moving proton and particle are subjected to the same magnetic field so that the radii of their…
In an experiment on photoelectric effect, a student plots stopping potential against frequency v o…
Photon and electron are given same energy ( ) wavelength associated with photon and electron are …
Light of two different frequencies whose photons have energies 1 eV and 2.5 eV respectively, illumi…
The de-Broglie wavelength λ of an electron accelerated through a potential V (in volts) is: