CBSE Class 11-science Answered
Calculate velocity of electron in first bohrs orbit of hydrogen atom.(,given r=a).
Asked by gautamsinghpop2 | 22 Jul, 2016, 06:49: PM
Expert Answer
mvr = nh/2∏
v = nh/2∏mr
Given:
n=1 , h = 6.6225x 10-27 erg sec , r= 0.529x 10-8 cm
v= 1 x6.6225x 10-27 erg sec
2x3.14x (9.109 x10-28g)x(0.529x 10-8 cm)
= 0.2189 x109 cm sec-1 = 2.189 x 108 cm sec-1
Answered by Vaibhav Chavan | 23 Jul, 2016, 09:34: PM
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