WBCS.LIVE practice question

Geodimeter is based on:

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Propagation of infrared radiation
  2. The visible light as carrier with frequency of the order of 5 × 1014 Hz
  3. Propagation of modulated light waves
  4. High frequency radio waves

Correct answer and explanation

Correct answer: Propagation of modulated light waves