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NUST Entrance Test
Physics
Atomic Spectra

Set 1

Mashaal Masha

Oct 16, 2022

0

Table of Contents

$The first series which was identified in the spectrum of hydrogen is called:$
$Balmer series was identified in:$
$Atoms of hydrogen gas can be excited by passing electric current through it when the gas is filled into the discharge tube at a pressure which is:$
$Balmer series lies in that region of electromagnetic wave spectrum which is called:$
$The natural arrangement of colors in the spectrum of white light spectrum is:$
$The range of wavelength of colors in the visible colors is:$
$Tick the incorrect statement:$
$The results of spectra obtained by Blamer were expressed in 1896 by:$
$The process of formation of spectrum is called:$
$The value of Rydberg's constant is:$

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Choose the correct options for the following questions.

The first series which was identified in the spectrum of hydrogen is called:

Difficulty: Easy

Bookmark

A:

Lyman series

B:

Balmer seris

C:

Paschen series

D:

Brackett series

Balmer series was identified in:

Difficulty: Easy

Bookmark

A:

1685

B:

1785

C:

1885

D:

1985