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Light is incident on the cathode of a photocell and the stopping voltages are measured for lights of two different wavelengths as shown in data below. Determine the work function of the metal of cathode in eV. Also determine the value of the planck constant (h) from given data.  : 4000Å 4500 Å V : 1.3 V 0.9 V

Light is incident on the cathode of a photocell and the stopping voltages are measured for lights of two different wavelengths as shown in data below. Determine the work function of the metal of cathode in eV. Also determine the value of the planck constant (h) from given data.
 : 4000Å 4500 Å
V : 1.3 V 0.9 V

Grade:12

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
Dear student

Please write the Question in a standard form or attach an image of the question

Regards
Arun
25750 Points
4 years ago
Dear Karthik
 
Question is not properly understandable.
Please attach an image. I will be happy to help you.

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