Physics · Optoelectronics
Arrange the following semiconductor materials in ascending order of their emission wavelength: A. GaAs having Eg = 1.4 eV B. Al0.2Ga0.8As having Eg = 1.62 eV C. Al0.4Ga0.6As having Eg = 1.92 eV D. GaAs0.4P0.6 having Eg = 2.2 eV E. GaAs0.2P0.8 having Eg = 2.5 eV Choose the correct answer from the options given below:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A, B, C, D, E
- 2D, E, C, B, A
- 3B, C, D, E, A
- 4E, D, C, B, A✓
Correct answer
E, D, C, B, A
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