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0625/41/M/J/24 · question 2 of 4 in this topic

Question 4

4(a)(i)2 marks

The lens in a magnifying glass is a converging lens.

State what is meant by 'focal point'.

Fig. 4.1 — see the question text for what it shows

State A short answer. No explanation is needed, and adding one cannot earn extra marks.

Your answer

Suggested time: 3 min

4(a)(ii)1 mark

The lens in a magnifying glass is a converging lens.

A student using the magnifying glass sees a magnified image of an object.

On Fig. 4.1, mark:

• a point X on the principal axis for a possible position of the object

• a point E for a possible position of the student's eye.

Fig. 4.1 — see the question text for what it shows

Your answer

Suggested time: 2 min

4(a)(iii)1 mark

A student using a magnifying glass (converging lens) sees a magnified image of an object placed between the lens and its focal point.

Underline two words in the list that describe the image produced.

inverted real upright virtual

Draw Accuracy is being marked. Use the figure and be precise about position and labels.

Your answer

Suggested time: 2 min

4(b)(ii)1 mark

The refractive index of the glass used to make a lens is 1.5.

State what happens to the wavelength of light as it passes into the lens.

State A short answer. No explanation is needed, and adding one cannot earn extra marks.

Your answer

Suggested time: 2 min

4(c)3 marks

Converging lenses are used in spectacles (glasses) to correct one problem with vision.

State the name of the problem and explain how a converging lens is used to correct it. You may draw a diagram.

State A short answer. No explanation is needed, and adding one cannot earn extra marks.

Your answer

Suggested time: 5 min

0625/41/M/J/24Cambridge IGCSE Physics 0625 · May/June 2024 · Paper 4 variant 1 · sit the whole paper