DSSSB PRT GENERAL AWARENESS QUIZ 25 (WAVE)

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Question 1:

Sound waves in the air are -

Question 2:

The depth of the trough of a wave is called its ............?

Question 3:

The time taken to complete one oscillation of a medium is called -

Question 4:

The aplitude of the wave is _____.

Question 5:

When sound passes through air, the air particles ______.

Question 6:

Which of the following has the shortest wavelength?

Question 7:

Which of the following statements are true about sound and light waves?

Question 8:

Light travels fastest in which medium?

Question 9:

X-rays are used for the study of crystal structure because -

Question 10:

If a clock based on oscillating pendulum is taken from Earth to Moon, it will _____________.