DP CONSTABLE GENERAL STUDIES QUIZ

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Question 1:

Astronauts in space communicate with each other by radio links because

Question 2:

............ Play the game by generating ultrasound.

Question 3:

The pitch of a sound wave depends upon which one of its following characteristics ?

Question 4:

Which of the following is not a characteristic of sound waves?

Question 5:

The frequency of inaudible waves is

Question 6:

Which of the following is NOT a characteristic of a sound wave?

Question 7:

The sonar technique is used to determine the

Question 8:

Which of the following sound has high amplitude?

Question 9:

Sound wave cannot travel through -

Question 10:

The velocity of sound wave in steel is