Question 15
Question 15 of 40

Question image for Q15
You can solve this MCQ to see its answer, but your attempt won't be logged unless you login
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

Describe melting and boiling in terms of energy input without a change in temperature

Determine from given data or the shape of a speed–time graph when an object is moving with: (a) constant acceleration (b) changing acceleration