Chemistry, asked by parthkhetre76, 11 months ago

-The wave number of a spectral line is 5 x 10^5 m-l. The
energy corresponding to this line will be
(a) 3.39 10-23 kJ - (b) 9.93 × 10-23 kJ
(c) 3.45 x 10-24 J
(d) none of these​

Answers

Answered by Varsha2711
8

Answer:

(b) 9.93 x 10^-23 KJ..................

Attachments:
Answered by abdul9838
2

<b> <body \: bgcolor = "yellow">

 \bf \green{hey \: user \: here \: is \: answer} \\  \\  \bf \green{ \huge \: solution} \\  \\  \bf \red{  \underline{ \underline{according \: to \: the \: question}}} \\  \\  \:  \bf \green{wavelength{ (\lambda}) = 5 \times  {10}^{5}{m}^{ - 1} } \\ \\   \bf \green{speed \: of \: light \: (c) = 3 \times  {10}^{8} \: m \: per \: s }\\   \\  \bf \green{h = 6.626 \times  {10}^{ - 34 \: j s} } \\  \\   \bf \pink{now} \\  \\  \bf \pink{by \: using \: formula} \\  \\  \bf \green{energy(e) =  \frac{hc}{ \lambda} } \\  \\  \bf \green{e =  \frac{6.626 \times  {10}^{ - 34}  \times 3 \times  \cancel {10}^{8} }{5 \times   \cancel{10}^{5} } } \\  \\  \bf \green{e =  \frac{6.626 \times  {10}^{ - 34} \times 3 \times  {10}^{3}  }{5} } \\  \\  \bf \green{e   =  \frac{6.62 \times  \cancel30 \times  {10}^{ - 32} }{ \cancel5}  } \\  \\  \bf \green{e = 6.62 \times 6 \times  {10 }^{ - 32} } \\  \\  \bf \green{e = 39.72 \times  {10}^{ -  32} } \\  \\  \bf \green{3.97 \times  {10}^{ - 31 \: j} }

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