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MHT CET202312 May 2023Evening ShiftPhysicsSemiconductorsActual

Which one of the following statements is WRONG regarding LED?

Options

  1. ALEDs are energy efficient
  2. BLEDs have long time if properly manufactured.
  3. CBrightness of light emitted by LED cannot be controlled.
  4. DColours produced by LED do not fade out.

Correct answer

C. Brightness of light emitted by LED cannot be controlled.

Step-by-step solution

Std.12 Ch-16 Subtopic-16.3

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