11. LED bulbs are advertised as good replacement to incandescent lights. Typical LED lights used in homes are 8.5 Watts

[answerhappygod]

11 Led Bulbs Are Advertised As Good Replacement To Incandescent Lights Typical Led Lights Used In Homes Are 8 5 Watts 1 (24.73 KiB) Viewed 27 times

11. LED bulbs are advertised as good replacement to incandescent lights. Typical LED lights used in homes are 8.5 Watts versus 60 Watts for typical incandescent light bulbs. Watt is a unit of power equivalent to 1 joule of work per second. 1 Watt = 1 J/sec. These LED lights do not emit white light which would be a combination of all wavelengths in the visible range. LED lights emit in the blue region at 483 nm and it is the yellow coating of the bulbs that makes it look white. What is the energy of a single photon associated with the LED lightbulb? a. 7.82 x 10-19 J b. 4.12 x 10-18 c. 4.12 x 10-18 d. 4.83 x 1093 e. 6.21 x 104 12. Identify substances that are isoelectronic: Ba?, Kr, Xe, Sra. Te2 Se? a. Ba?, Srl b, Xe, Rn c. Xe, Baº Teen d. Te? Se? e. Se?, Kr, Srl ron