Question 15
Question 15 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
2. Thermal physics
2.3.3. Radiation

Know that thermal energy transfer by thermal radiation does not require a medium

3. Waves
3.2.2. Refraction of light

Describe the passage of light through a transparent material (limited to the boundaries between two mediums only)