Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Electromagnetic Waves

Question:
Lasers are used in :
Options:
Ionisation
Optical disc drive
Communication
None of the above
Correct Answer:
Optical disc drive
Explanation:
An optical disc drive is a disc drive that uses laser light or electromagnetic waves within or near the visible light spectrum as part of the process of reading or writing data to form optical discs.