Laser light is intense due to?
BPSC 5 Years Past Papers Subject Wise / All — Multiple-choice practice
لیزر روشنی زیادہ شدید کیوں ہوتی ہے؟
- A. None of these
- B. Reflection
- C. Coherence
- D. Absorption
Correct answer
Coherence
Explanation
Explanation • Laser light is intense because its light waves are coherent , meaning they remain in the same phase and travel together . • Coherent waves combine their energy, producing a strong and focused beam. • LASER stands for “ Light Amplification by Stimulated Emission of Radiation .” • Laser light differs from ordinary light because it is highly directional and monochromatic . • Due to very little spreading , laser beams can travel long distances with high intensity. Last verified on 09-05-2026
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