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9 Apr 2008 20:02:50 IST

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a doubly ionised lithium atom is hydrogen like with Z=3 find wavelength reqd. to excite the e^-1 in Li²⁺ from the 1st to third orbit

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sunip dutta

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Joined: 24 Aug 2007

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9 Apr 2008 20:09:16 IST

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is it 11.4 nanometre..

Raghav

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9 Apr 2008 20:26:27 IST

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yes

Raghav

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9 Apr 2008 20:26:42 IST

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how?

ashish banga

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9 Apr 2008 20:29:22 IST

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= R Z² ( 1/n₁² - 1/n₂²)
R 109677 cm^-1
n1 = 1
n2 = 3
Z= 3

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