Page 15 - 1202 Question Bank Physics Form 4
P. 15
If you are unable to carry out the experiment described, you can answer this question by using the data
obtained as shown in Table 2.
Table 2
u/cm v/cm u/cm v/cm
Screen Screen
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15.0 30.0
26 27 28 29 30 31 11 12 13 14 15 16
Screen Screen
20.0 35.0
16 17 18 19 20 21 10 11 12 13 14 15
Screen
25.0
13 14 15 16 17
106 • Experiment must be carried out in darkened room.
SOS TIP • Lens, screen and object must be on a same straight line. SOS TIP
• When the object is moving further away from the lens, the size and the position of the image both change and you need to move the screen nearer to get a
clear and sharp image again.
B06 QBank Physics F4.indd 106 10/02/2022 3:49 PM
