Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emi

Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emi.

Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit

A. X-rays B. ultraviolet light C. visible light D. radio waves

Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emi

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