Match the appropriate pairs from List-I and L | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) The correct matching is as follows:$1$. Nitrogen molecules produce a band spectrum because molecular spectra consist of bands due to vibrational a

Vedclass · Accepted Answer

$1-C, 2-A, 3-B, 4-D$

Vedclass · Answer

(A) The correct matching is as follows:$1$. Nitrogen molecules produce a band spectrum because molecular spectra consist of bands due to vibrational and rotational energy levels. Thus,$1-C$.$2$. Incandescent solids emit a continuous spectrum because the atoms are closely packed,leading to overlapping energy levels. Thus,$2-A$.$3$. Fraunhoffer lines are dark lines observed in the solar spectrum,which are caused by the absorption of light by gases in the solar atmosphere. Thus,$3-B$.$4$. An electric arc between iron rods produces a line emission spectrum characteristic of the iron atoms. Thus,$4-D$.Therefore,the correct sequence is $1-C, 2-A, 3-B, 4-D$.

List-$I$	List-$II$
$1$. Nitrogen molecules	$(A)$ Continuous spectrum
$2$. Incandescent solids	$(B)$ Absorption spectrum
$3$. Fraunhoffer lines	$(C)$ Band spectrum
$4$. Electric arc between iron rods	$(D)$ Emission spectrum

Match the appropriate pairs from List-$I$ and List-$II$ :
List-$I$ List-$II$
$1$. Nitrogen molecules $(A)$ Continuous spectrum
$2$. Incandescent solids $(B)$ Absorption spectrum
$3$. Fraunhoffer lines $(C)$ Band spectrum
$4$. Electric arc between iron rods $(D)$ Emission spectrum

Similar Questions

The vapour pressure of a solvent decreases by $10 \ mm$ of mercury when a non-volatile solute is added to the solvent. The mole fraction of the solute in the solution is $0.2$. What should be the mole fraction of the solute if the decrease in the vapour pressure is to be $20 \ mm$ of mercury?

Two identical capacitors have the same capacitance $C$. One of them is charged to potential $V_1$ and the other to $V_2$. The negative ends of the capacitors are connected together. When the positive ends are also connected,the decrease in energy of the combined system is

The $Ca^{2+}$ and $F^{-}$ ions are located in a $CaF_{2}$ crystal,respectively,at face-centered cubic lattice points and in:

Vedclass Test Series

Exam Paper Generator

Online Exam Module

Match the appropriate pairs from List-$I$ and List-$II$ :List-$I$List-$II$$1$. Nitrogen molecules$(A)$ Continuous spectrum$2$. Incandescent solids$(B)$ Absorption spectrum$3$. Fraunhoffer lines$(C)$ Band spectrum$4$. Electric arc between iron rods$(D)$ Emission spectrum