CGL 21 12-04-2022 Shift 2


Question 1

Which of the following elements is NOT suitable for the fabrication of a light emitting diode structure?
निम्नलिखित में से कौन सा तत्व प्रकाश उत्सर्जक डायोड संरचना के निर्माण के लिए उपयुक्त नहीं है?

Options

A

 Gallium arsenide

 Gallium arsenide

B

 Germanium

 Germanium

C

 Indium gallium nitride

 Indium gallium nitride

D

 Gallium phosphide

 Gallium phosphide


Solution:

Correct Answer:

B

 Germanium

जर्मेनियम


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