(b) This diagram shows waves, in a ripple tank, spreading out from two slits. (i) a line showing points along the central maximum- label this line 0 .

One mark for each line (the min line and the 1 Line can be above the central line). The diagrams show two sources emitting waves they could be light, sound or microwaves.The plan view of the waves in Figure shows waves coming from two slits and interfering with each other. The lines along which the path differences will give maxima or minima. This type of arrangement is like that produced in a ripple tank or in the double slits experiment with light. It should be realised that between the maxima and minima the intensity will change gradually from one extreme to the other.

(b) This diagram shows waves, in a ripple tank, spreading out from two slits. (ii) a line showing the points along first maximum - lable this line 1 .

One mark for each line (the min line and the 1 Line can be above the central line). The diagrams show two sources emitting waves they could be light, sound or microwaves.The plan view of the waves in Figure shows waves coming from two slits and interfering with each other. The lines along which the path differences will give maxima or minima. This type of arrangement is like that produced in a ripple tank or in the double slits experiment with light. It should be realised that between the maxima and minima the intensity will change gradually from one extreme to the other.

(b) This diagram shows waves, in a ripple tank, spreading out from two slits. (iii) a line showing points along one of the first minima -label this line minimum.

One mark for each line (the min line and the 1 Line can be above the central line). The diagrams show two sources emitting waves they could be light, sound or microwaves.The plan view of the waves in Figure shows waves coming from two slits and interfering with each other. The lines along which the path differences will give maxima or minima. This type of arrangement is like that produced in a ripple tank or in the double slits experiment with light. It should be realised that between the maxima and minima the intensity will change gradually from one extreme to the other.

E M B I B E

Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 13 - Superposition of Waves>EXAM-STYLE QUESTIONS>Q 11

EASY

AS and A Level

IMPORTANT

Earn 100

(a) Explain what is meant by the diffraction of a wave.

Important Questions on Superposition of Waves

EASY

AS and A Level

IMPORTANT

Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 13 - Superposition of Waves>EXAM-STYLE QUESTIONS>Q 11

(b) This diagram shows waves, in a ripple tank, spreading out from two slits.

Question Image

(i) a line showing points along the central maximum- label this line $0$ .

EASY

AS and A Level

IMPORTANT

Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 13 - Superposition of Waves>EXAM-STYLE QUESTIONS>Q 11

(b) This diagram shows waves, in a ripple tank, spreading out from two slits.

Question Image

(ii) a line showing the points along first maximum - lable this line $1$ .

EASY

AS and A Level

IMPORTANT

Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 13 - Superposition of Waves>EXAM-STYLE QUESTIONS>Q 11

(b) This diagram shows waves, in a ripple tank, spreading out from two slits.

Question Image

(iii) a line showing points along one of the first minima -label this line minimum.

EASY

AS and A Level

IMPORTANT

Physics for Cambridge International AS & A Level Coursebook 3rd Edition Digital Access>Chapter 13 - Superposition of Waves>EXAM-STYLE QUESTIONS>Q 11

The centres of the slits are

12 cm

apart. At a distance of

60 cm

from the barrier, the first maxima are

18 cm

either side of the central maximum. Calculate the wavelength of the waves. (You may assume that the double-slit equation developed for light is applicable to ripples.)

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