Light from sodium lamp is passed through cold sodium vapours the spectrum of transmitted light consists ofA. The `D_(1)` and `D_(2)` bright yellow lines of sodiumB. Two dark lines in the yellow regionC. All colours from violet to redD. No colours at all

Light from sodium lamp is passed through cold sodium vapours the spect

1.	Light from sodium lamp is passed through cold sodium vapours the spectrum of transmitted light consists ofA. The `D_(1)` and `D_(2)` bright yellow lines of sodiumB. Two dark lines in the yellow regionC. All colours from violet to redD. No colours at all
Answer» Correct Answer - b

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Light from sodium lamp is passed through cold sodium vapours the spectrum of transmitted light consists ofA. The `D_(1)` and `D_(2)` bright yellow lines of sodiumB. Two dark lines in the yellow regionC. All colours from violet to redD. No colours at all

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