Computer Science · Input and Output Devices
Which type of rays/beams are used in an Optical Mark Reader (OMR)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1Infrared rays
- 2Sound waves
- 3Optical light beams✓
- 4Magnetic rays
Correct answer
Optical light beams
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Computer Science?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Input and Output Devices MCQs →Want more practice questions on Input and Output Devices?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Computer Science · Input and Output Devices