Question

Distinguish between ordinary light and laser light.

Answer 1

Ordinary light is divergent and incoherent whereas laser light is highly directional and coherent. Ordinary light is a mixture of electromagnetic waves having different wavelengths. Laser light, on the hand, is monochromatic. This is the main difference between ordinary light and laser light.

Answer 2

Ordinary light have seven colours in it voilet, indigo blue ,green,yellow, orange ,red these all colours constitute the (Ordinary) white light

While in laser light there is only red light

Further, the red light has the maximum frequency due to which it does not scatter and travel to long distances