Atoms And Nuclei Question 3

Question: In the nth orbit, the energy of an electron En=13.6n2eV for hydrogen atom. The energy required to take the electron from first orbit to second orbit will be [MP PMT 1987; CPMT 1991, 97; RPMT 1999; DCE 2001; Kerala PMT 2004]

Options:

A) 10.2 eV

B) 12.1 eV

C) 13.6 eV

D) 3.4 eV

Show Answer

Answer:

Correct Answer: A

Solution:

E12=3.4(13.6)=+10.2,eV



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक