Curriculum
Course: Igcse Physics
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Curriculum

Igcse Physics

1. Motion, Forces and Energy

0/161 Dr Dabour Hub Science Diagram and Course Material

2. Thermal Physics

0/75 Dr Dabour Hub Science Diagram and Course Material

3. Waves

0/77 Dr Dabour Hub Science Diagram and Course Material

4. Electricity and Magnetism

0/119 Dr Dabour Hub Science Diagram and Course Material

5. Nuclear Physics

0/39 Dr Dabour Hub Science Diagram and Course Material

6. Space Physics

0/47 Dr Dabour Hub Science Diagram and Course Material
Quiz

3.1.5 Ripple Tank – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Why is the water in a ripple tank shallow and level?
To be cheap
So the wave speed is the same everywhere unless a change is made
To increase the frequency
To reduce amplitude
2.
In a ripple tank, waves are refracted when
they pass over a region of different depth
the motor is turned off
they hit a straight barrier
they pass through a narrow gap
3.
A student counts 10 wavelengths over 30 cm on the screen (no magnification). The wavelength is
30 cm
300 cm
0.3 cm
3.0 cm
4.
If the motor frequency is doubled, the wavelength (same depth) will
become zero
double
halve
stay the same
5.
Maximum diffraction occurs when the gap is
much wider than the wavelength
about equal to the wavelength
very large
blocked
6.
The waves go from deep to shallow water at an angle. The wavefronts
bend towards the normal and get closer together
bend away from the normal
are unchanged
speed up
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Part of 3. Waves — see every lesson and quiz in this unit.
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