JEE Main 2013 Question Paper

Section: Chemistry

Question : 28 of 90

Marks: +1, -0

Energy of an electron is given by E=−2.178′10−18J

Wavelength of light required to excite an electron in an hydrogen atom from level n = 1 to n = 2 will be
(h=6.62×10−34Jsandc=3.0×108ms−1)

[Main 2013]

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