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

3.1.2 The Wave Equation – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Which equation is correct for a wave?
v = f + λ
v = f / λ
v = f λ
v = λ / f
2.
A wave has f = 20 Hz and λ = 1.5 m. Its speed is
21.5 m/s
30 m/s
0.075 m/s
13 m/s
3.
Sound at 340 m/s has a frequency of 850 Hz. Its wavelength is
0.40 m
2.5 m
2.9 m
0.25 m
4.
A wave moves into a medium where it travels more slowly. Which quantity stays the same?
all three
speed
wavelength
frequency
5.
Light of wavelength 600 nm has frequency (v = 3.0 × 108 m/s)
1.8 × 102 Hz
2.0 × 10−15 Hz
5.0 × 1014 Hz
5.0 × 105 Hz
6.
A student claps and hears an echo 0.50 s later from a wall 85 m away. What speed of sound does this give?
170 m/s
340 m/s
85 m/s
680 m/s
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Part of 3. Waves — see every lesson and quiz in this unit.
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