A student produces a transverse wave with a rope. The wave travels along the rope. Figure 3.1 shows the wave as seen from above. Describe how the student produces the transverse wave.

Figure 3.1, a rope seen from above with one end fixed to a wall and the other end held by a student, the rope forming a transverse wave between the wall and the student's hand

Answer

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3(a)(ii)Wave Properties Wave BehaviourEasy2 marks

The wavelength of the wave is 0.80 m. Determine the distance between the wall and the student’s hand.

3(b)(i)Electromagnetic Spectrum ApplicationsEasy1 mark

A laser produces a beam of red light with a wavelength of 670 nm in air. State the approximate speed of light in air.

3(b)(ii)Wave Properties Wave BehaviourMedium3 marks

Calculate the frequency of the red light. State the unit.

Frequency and unit

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3(b)(iii)Refraction Total Internal ReflectionEasy1 mark

Complete the sentence. Light of a single frequency is described as ___ light.