Question 22
Question 22 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
3. Waves
3.2.1. Reflection of light

Describe the formation of an optical image by a plane mirror and give its characteristics, i.e. same size, same distance from mirror, virtual

2. Thermal physics
2.3.3. Radiation

Know what happens to an object if the rate at which it receives energy is less or more than the rate at which it transfers energy away from the object

3. Waves
3.2.3. Thin lenses

Describe the characteristics of an image using the terms enlarged/same size/diminished, upright/inverted and real/virtual