Multiple choice

Consider the following statements:

  1. The US Department of Defense (DOD) has acoustic weapons that use sound to injure, incapacitate or kill an opponent.
  2. The intensity of sound increases at night.

Which of the given statements is/are correct?

  1. Only 1

  2. Only 2

  3. Both 1 and 2

  4. Neither 1 nor 2
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Statement 1 is correct. The US Department of Defense (DOD) has acoustic weapons that use sound to injure, incapacitate or kill an opponent. Statement 2 is also correct. The intensity of sound increases at night due to increase in density of air.

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