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Physics 10 Ch-1 Simple Harmonic Motion and Waves-17
1.
Which of the following appear as bright lines in the ripple tank?
a) Troughs
b) Rarefactions
c) Crests
d) Compressions
2.
What do the bright fringes on the screen of ripple tank represent?
a) Compressions
b) Crests
c) Troughs
d) Rarefactions
3.
Which of the following appear as dark lines in the ripple tank?
a) Compressions
b) Crests
c) Rarefactions
d) Troughs
4.
Which of the following characteristics of wave is independent of the others?
a) Amplitude
b) Frequency
c) Wavelength
d) Speed
5.
What do the dark fringes on the screen of ripple tank represent?
a) Crests
b) Compressions
c) Troughs
d) Rarefactions
6.
What device is used to study the properties of waves like reflection?
a) Ripple tank
b) Endoscope
c) SONAR ranger
d) Telescope
7.
What device is used to study the properties of waves like refraction?
a) SONAR ranger
b) Endoscope
c) Telescope
d) Ripple tank
8.
What device is used to study the properties of waves like diffraction?
a) Endoscope
b) Telescope
c) Ripple tank
d) SONAR ranger
9.
Which of the following apparatus is present in a ripple tank?
a) An electric bulb
b) All of these
c) A vibrator
d) Rectangular tray
10.
What is the law of reflection for waves?
a) Sine of angle of incidence = Sine of angle of reflection
b) Angle of incidence = Angle of reflection
c) Cosine of angle of incidence = Cosine of angle of reflection
d) Tangent of angle of incidence = Tangent of angle of reflection
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