Light-emitting diode (LED) is used in electronic devices such as television leaves _____.-
A. Ultraviolet rays
B. X-ray
C. Radio Waves
D. Visible Light
1
B
2
A
3
C
4
D
Light-emitting diode (LED) is used in electronic devices such as television leaves _____.-
A. Ultraviolet rays
B. X-ray
C. Radio Waves
D. Visible Light