A radar that detects the presence of an enemy aircraft uses :

Options :
  1. Sound Waves
  2. Radio Waves
  3. Electronic Waves
  4. Ultrasonic Waves

Answer and Explanation :-

Answer: Option 1


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 : Quartzite is metamorphosed from :

Next Question : Which of the following alloys is used for making magnets :

Click here for free online test on General Science


 (Getemail alerts when others member replies)

The opposite of love is not hate, it's indifference. The opposite of art is not ugliness, it's indifference. The opposite of faith is not heresy, it's indifference. And the opposite of life is not death, it's indifference.
-Elie Wiesel