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Physics 10 Ch-1 Simple Harmonic Motion and Waves-16
1.
What is the relation between v, f and λ of a wave?
a) Relation: v λ = f
b) Relation: v = λ / f
c) Relation: f λ = v
d) Relation: v f = λ
2.
A large ripple tank with a vibrator working at a frequency of 30 Hz produces 25 complete waves in a distance of 50 cm. What is the velocity of the wave?
a) 530 cms-1
b) 60 cms-1
c) 750 cms-1
d) 150 cms-1
3.
What is the formula for wave equation?
a) Wave equation: v = f / λ
b) Wave equation: v = f λ
c) Wave equation: v = f - λ
d) Wave equation: v = f + λ
4.
For which types of waves, wave equation is true?
a) Mechanical waves
b) Transverse waves
c) All types of waves
d) Longitudinal waves
5.
A wooden bar vibrating into the water surface in a ripple tank has a frequency of 12 Hz. The resulting wave has a wavelength of 3 cm. What is the speed of the wave?
a) 36 ms
b) 0.36 ms
c) 3.6 ms
d) 0.036 ms
6.
A wave moves on a slinky with frequency of 4 Hz and wavelength of 0.4 m. What is the speed of the wave?
a) Speed = 1.6 ms
b) Speed = 0.6 ms
c) Speed = 10.6 ms
d) Speed = 16 ms
7.
What is device called that is used to produce water waves?
a) Ripple tank
b) Vibrator tank
c) Water tank
d) Oscillator tank
8.
What is device called that is used to study characteristics of water waves?
a) Ripple tank
b) Water tank
c) Vibrator tank
d) Oscillator tank
9.
How waves can be produced on the surface of water present in the tray?
a) Vibrator
b) Motor
c) Electric tray
d) Battery
10.
What is hung above the tray to observe the image of water waves on the paper or screen?
a) A fluorescent screen
b) A lamp
c) A candle
d) An electric bulb
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