JEE Main 2019 (Online) 9th January Morning Slot | Structure of Atom Question 136 | Chemistry

For emission line of atomic hydrogen from n_i = 8 to n_f = n, the plot of wave number $$\left( {\overline v } \right)$$ against $$\left( {{1 \over {{n^2}}}} \right)$$ will be (The Rydberg constant, R_H is in wave number unit)

Linear with intercept $$-$$R_H

Non linear

Linear with slope R_H

Linear with slope $$-$$R_H

JEE Main 2019 (Online) 9th January Morning Slot

MCQ (Single Correct Answer)

-1

The highest value of the calculated spin only magnetic moment (in BM) among all the transition metal complexes is :

5.92

6.93

3.87

4.90

JEE Main 2018 (Online) 16th April Morning Slot

MCQ (Single Correct Answer)

-1

Which of the following statements is false ?

Photon has momentum as well as wavelength.

Splitting of spectral lines in electrical field is called Stark effect.

Rydberg constant has unit of energy.

Frequency of emitted radiation from a black body goes from a lower wavelength to higher wavelength as the temperature increases.

JEE Main 2018 (Online) 15th April Evening Slot

MCQ (Single Correct Answer)

-1

The de-Broglie's wavelength of electron present in first Bohr orbit of 'H' atom is :

0.529 $$\mathop {\rm A}\limits^ \circ $$

2$$\pi $$ $$ \times $$ 0.529 $$\mathop {\rm A}\limits^ \circ $$

$${{0.529} \over {2\pi }}$$ $$\mathop {\rm A}\limits^ \circ $$

4 $$ \times $$ 0.529 $$\mathop {\rm A}\limits^ \circ $$

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