The ratio of difference in wavelengths of \( 1^{\text {st }} \) and \( 2^{\text {nd }} \) lines ...

Channel:
PW Solutions
Subscribers:
449,000
Published on ● Video Link: https://www.youtube.com/watch?v=eqHddZ83e3A


Duration: 10:20
1 views
0

The ratio of difference in wavelengths of \( 1^{\text {st }} \) and \( 2^{\text {nd }} \) lines of Lyman series in \( \mathrm{H} \)-like atom to difference in wavelength for 2 nd and \( 3^{\text {rd }} \) lines of same series is:
(A) \( 2.5: 1 \)
(B) \( 3.5: 1 \)
(C) \( 4.5: 1 \)
(D) \( 5.5: 1 \)
\( P \)
W.
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-12-01How can sodium chloride be purified? \( \mathrm{P} \)
2022-12-01A pump motor is used to deliver water at a certain rate from a given pipe. To obtain \( \mathrm{...
2022-12-01Equal number of \( H e \) and \( N e \) atoms are placed in two flask of volume \( V_{1} \) and ...
2022-12-01Discuss briefly the banking of roads and railway tracks. P W
2022-12-01A train weighing 100 metric ton is running on a level track with a uniform speed of \( 72 \mathr...
2022-12-01What is a uniform circular motion? Explain the terms ; time period, frequency and angular veloci...
2022-12-01What is centripetal acceleration ? Find the relation for the magnitude of centripetal accelerati...
2022-12-01What are conservative and non-conservative forces ? Give examples. \( \mathrm{P} \) \( \mathrm{W} \)
2022-12-01A man can throw a stone with initial speed of \( 10 \mathrm{~m} / \mathrm{s} \). Find the maximu...
2022-12-01Positive deviation from ideal behaviour takes place because of \( \mathrm{P} \) (A) molecular at...
2022-12-01The ratio of difference in wavelengths of \( 1^{\text {st }} \) and \( 2^{\text {nd }} \) lines ...
2022-12-01Two flask A and B of equal volume are taken. Flask A contains \( \mathrm{H}_{2}(\mathrm{~g}) \) ...
2022-12-01The velocities of \( \mathrm{A} \) and \( \mathrm{B} \) are marked in the figure. Find the veloc...
2022-12-01(A) Electron moving in \( 2^{\text {nd }} \) orbit in \( \mathrm{He}^{+} \)ion (P) Radius of orb...
2022-12-01Both earth and moon are subject to the gravitational force of the sun. As observed from \( \math...
2022-12-01Statement-1 : Mass of a solution of 1 litre of \( 2 \mathrm{M} \mathrm{H}_{2} \mathrm{SO}_{4}\le...
2022-12-01A planet is revolving around the sun in an elliptical orbit as shown in figure. Select correct \...
2022-12-01The escape velocity for a planet is \( \mathrm{v}_{\mathrm{e}} \). A particle starts from rest a...
2022-12-01Keplers third law can be stated that \( \mathrm{T}^{2}=\mathrm{kR}^{3} \). P The value of \( \ma...
2022-12-01A satellite is moving round the earth in a circular orbit. The following statements are P given....
2022-12-01Which pair of P.E. and K.E. is possible for a polar satellite? [Assume \( \mathrm{PE}=0 \) at in...