A) \[6000\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
B) 4000 nm
C) 6000 nm
D) \[4000\,\overset{\text{o}}{\mathop{\text{A}}}\,\]
Correct Answer: D
Solution :
Key Idea Only signals having wavelength less than threshold wavelength will be detected. Energy \[=[{{M}^{1}}{{L}^{1}}{{T}^{-2}}]\]\[=[{{M}^{1}}{{L}^{1}}{{T}^{-2}}]\]\[\therefore \] Substituting the values of h, c and E in the above equation \[\therefore \] As \[\text{-}\] Signal of wavelength \[4000\overset{\text{o}}{\mathop{\text{A}}}\,\] can be detected by the photodiode.
You need to login to perform this action.
You will be redirected in
3 sec
