I.Chemical II.Sound III.Electricity
Which of the above forms of energy can directly be converted to light energy?
A
I and II only
B
II and III only
C
I, II and III
D
I and III only
Verified Correct Answer: D.
Physical Principles & Numerical Solution
No expanded working has been attached for this question yet. The verified answer is Option D.
Source: Myschool Past Questions Archive (Record #44664)