A television network uses

Options :
  1. microwaves
  2. ultrahigh frequency radio waves
  3. gamma rays
  4. both 1 and 2

Answer and Explanation :-

Answer: Option 2


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : For optical detection, we use

Next Question : The three digit binary code of voltage level 6 is

Click here for free online test on Optical Physics


 (Getemail alerts when others member replies)

The way to wealth is as plain as the way to market. It depends chiefly on two words, industry and frugality: that is, waste neither time nor money, but make the best use of both. Without industry and frugality nothing will do, and with them everything.
-Benjamin Franklin