Question 24
Question 24 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
1. Motion, forces and ene...
1.1. Physical quantities and measur...

Describe how to measure a variety of lengths with appropriate precision using tapes, rulers and micrometers (including reading the scale on an analogue micrometer)

2. Thermal physics
2.3.3. Radiation

Describe how the rate of emission of radiation depends on the surface temperature and surface area of an object

4. Electricity and magnet...
4.3.3. Action and use of circuit co...

Describe the action of negative temperature coefficient (NTC) thermistors and light-dependent resistors and explain their use as input sensors