The frequency of a wave is 5 Hz. It refers to (type of wave)
A) ultrasonics
B) microwaves
C) infrasonics
D) radio waves
Correct Answer:
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Q2: In which of the following media will
Q3: Sound waves in air are _ waves.
A)longitudinal
B)radio
C)transverse
D)electromagnetic
Q4: Sound waves cannot pass through
A)a solid-liquid mixture
B)an
Q5: Out of the following, which frequency is
Q6: The distance between two consecutive crests is
Q8: A pulse is a wave
A)of high duration
B)of
Q9: Which of the following types of waves
Q10: Waves produced by supersonic jet planes are
A)shock
Q11: Echo is produced due to
A)reflection of sound
B)refraction
Q12: SONAR is based on the principle of
A)echo
B)resonance
C)reverberation
D)any
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