Test:348 QNo:90

Match for 90-93

Below given are the ratio of the terms for an electron of the helium ion in first excited state to that of hydrogen in ground state
v is the velocity of electron, r is the radius of orbit and E is the energy of electron
Match to corresponding ratios

90) vr (A) 1
91) Er (B) 2
92) E/v2 (C) 1/2
93) Er/v (D) 4

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