Atoms And Nuclei Question 105

Question: The wavelength of yellow line of sodium is 5896 Å. Its wave number will be [MP PET 2001]

Options:

A) 50883 × 1010 per second

B) 16961 per cm

C) 17581 per cm

D) 50883 per cm

Show Answer

Answer:

Correct Answer: B

Solution:

Wave number $ \bar{\nu }=\frac{1}{\lambda } $ $ =\frac{1}{5896\times {{10}^{-8}}}=1696 $ per cm



sathee Ask SATHEE

Welcome to SATHEE !
Select from 'Menu' to explore our services, or ask SATHEE to get started. Let's embark on this journey of growth together! 🌐📚🚀🎓

I'm relatively new and can sometimes make mistakes.
If you notice any error, such as an incorrect solution, please use the thumbs down icon to aid my learning.
To begin your journey now, click on

Please select your preferred language
कृपया अपनी पसंदीदा भाषा चुनें