What is a DISADVANTAGE of LED lights over LASER lights?

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ALP CBT 2 Electronic Mechanic Previous Paper: Held on 21 Jan 2019 Shift 1
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  1. Non-coherent light source
  2. Hardly available
  3. Consuming more power
  4. Costlier than LASER

Answer (Detailed Solution Below)

Option 4 : Costlier than LASER
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LED

LASER

Non-coherent light source

LASER is a Coherent light-producing technology

LED produce different colors of light at a time

It produces only a specific color of light at a time.

Light wavelength is less

Light wavelength is more

Does not affect human health

Affects human health

Less power consumption

More power consumption

Costly

Less costly

More power required

Less Power required

 

Important Points:

  • LED: Light-emitting diode.
  • LASER: Light Amplification by stimulated Emission of Radiation.
  • Heating Problems exist in LED lights in more compare to LASER lights.
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