Q. 223.5( 4 Votes )

(a) Three photo d

Answer :

(a)


Formulas Used:


Energy of a photon:


The energy of a photon of wavelength is given by:



where is the Planck’s constant and is the speed of light in vacuum


The energy of a photon of light of the given wavelength is:







The diodes with band gaps larger than the energy of the photon won’t detect the photon. The answer is D1 and D3 .


(b)


It is easier to observe change in current with change in light intensity in reverse bias.


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

(a) A student wanPhysics - Board Papers

(i) Explain with Physics - Board Papers

Write the two proPhysics - Board Papers

Name the junctionPhysics - Board Papers

Using a suitable Physics - Exemplar

What do the termsPhysics - Exemplar

<span lang="EN-USPhysics - Exemplar