Physics
Waves
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#33 The wavelength of a wave is the distance between
A) Two consecutive crests
B) Two consecutive troughs
C) Two consecutive points in phase
D) All of these
#34 The time period of a wave is 0.02 s. Its frequency is
A) 50 Hz
B) 100 Hz
C) 200 Hz
D) 500 Hz
#35 The frequency of a wave is 1000 Hz. Its time period is
A) 0.001 s
B) 0.01 s
C) 0.1 s
D) 1 s
#36 The equation of a wave is \( y=0.02 \sin (300t - 1.5x) \). The wavelength of the wave is
A) \( \frac{2\pi}{1.5} \)
B) \( \frac{2\pi}{300} \)
C) \( 300 / 1.5 \)
D) \( 1.5 / 300 \)
#37 The equation of a wave is \( y=0.02 \sin (300t - 1.5x) \). The frequency of the wave is
A) \( \frac{300}{2\pi} \)
B) \( \frac{1.5}{2\pi} \)
C) 300 / 1.5
D) 1.5 / 300
#38 The equation of a wave is \( y=0.02 \sin (300t - 1.5x) \). The speed of the wave is
A) 100 m/s
B) 200 m/s
C) 300 m/s
D) 400 m/s
#39 The intensity of a wave is proportional to the square of its
A) Amplitude
B) Frequency
C) Wavelength
D) Speed
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