Search for: If speed of electron in ground state energy level is 2.2× 106 ms–1, then its speed in fourth excited state will beIf speed of electron in ground state energy level is 2.2× 106 ms–1, then its speed in fourth excited state will beA6.8 × 106 ms–1B8.8 × 105 ms–1C5.5 × 105 ms–1D5.5 × 106 ms–1 Register to Get Free Mock Test and Study Material +91 Verify OTP Code (required) I agree to the terms and conditions and privacy policy. Solution:We know that V=c137Zn;V∝1nV1V2=n2n1;2.2×106V2=41V2=2.2×1064=0.55×106=5.5×105Post navigationPrevious: What is the ratio of heat generated in R and 2R Next: Statement 1: In the given circuit, if lamp B or C fuses, then light emitted by lamp A decreases.Statement 2: In the given circuit, if lamp B or C fuses, then voltage on A decreases.Related content Extra Questions for Class 9 Maths with Solutions Chapter Wise FAQ Metallurgy JEE Conservation of Biodiversity – Definition, Methods, Examples and Strategies JEE Main Previous Year Papers Questions With Solutions Chemistry Nitro,Amine and Azo Compounds Democratic Rights Class 9 Extra Questions Civics Chapter 6 Essay on All that Glitters is not Gold in English for Children and Students Evans Tries an O-level Important Questions Class 12 English Short and Long Essay on Corruption in English for Children and Students Essay on Holi Holi Wishes SMS and Messages for Mobile and Whatsapp