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Structure of Atom question

2024 · Q135
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Structure of Atom question

2024 · Q135

NEETChemistryStructure of AtomMCQ+4 / −1

Given below are two statements:

Statement I: The Balmer spectral line for H atom with lowest energy is located at 536RH cm−1\frac{5}{36} R_H \mathrm{~cm}^{-1}365​RH​ cm−1.

(RH=\mathrm{R}_{\mathrm{H}}=RH​= Rydberg constant)

Statement II: When the temperature of blackbody increases, the maxima of the curve (intensity and wavelength) shifts to shorter wavelength.

In the light of the above statements, choose the correct answer from the options given below:

  1. A
    Statement I is true but Statement II is false
  2. B
    Statement I is false but Statement II is true
  3. C
    Both Statement I and Statement II are true
  4. D
    Both Statement I and Statement II are false
View written solutionFree

Correct answer: C

For Balmer series

$\mathrm{n}_1=2$

$\mathrm{n}_2=3$

$$\begin{aligned} \& \bar{v}=\frac{1}{\lambda}=R_H\left[\frac{1}{n_1^2}-\frac{1}{n_2^2}\right] \\ \& \bar{v}=R_H\left[\frac{1}{4}-\frac{1}{9}\right] \\ \& \bar{v}=\frac{5 R_H}{36} \mathrm{~cm}^{-1} \end{aligned}$$

NEET 2024 (Re-Examination) Chemistry - Structure of Atom Question 3 English Explanation
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