Q.

For any H like system, the ratio of velocities of I, II & III orbit V1 : V2 : V3 will be:

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a

1 : 2 : 3

b

1 : 1/2 : 1/3

c

3 : 2 : 1

d

1 : 1 : 1

answer is B.

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Detailed Solution

v∝Znfor any H like system Z =1 but r=1 (first orbit) ;r=2 (second orbit) ;r=3 (third orbit)V1 : V2 : V3 =11 : 12: 13
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For any H like system, the ratio of velocities of I, II & III orbit V1 : V2 : V3 will be: