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Sir correect answer with solution Question is provided in the image . Question is provided in the image . Question is provided in the image . Question is provided in the image . Question is provided in the image .

Sir correect answer with solution
 Question is provided in the image .
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Question is provided in the image .
 Question is provided in the image .
 
 
 
 
 
 
 
 
                                                                                                                                                                                                                                                                                     

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Grade:12

3 Answers

sree lakshmi
73 Points
one year ago
Using Rydberg equation ,
1/入= Rz2[(1/n12) – (1/n22) ]
1/入A=R22[ (1/22) – (1/42)] =R4[3/16] =3R/4
1/入B=R32[1/1 – 1/52] =9R[24/25]
 
入a/入b =(4×9×24)/(3×25). =11.52 =45/4 (approx)
answer is 45/4
 
Vikas TU
14149 Points
one year ago
Dear student 
Image is not clear , 
Please post the complete image. 
We will happy to help you.
Good Luck 
Cheers 
Arun
25763 Points
one year ago
Dear Adarsh
 
 
1/入A=R22[ (1/22) – (1/42)] =R4[3/16] =3R/4
1/入B=R32[1/1 – 1/52] =9R[24/25]
 
入a/入b =(4×9×24)/(3×25). =11.52 =45/4 (approx)
 
Hope you understand

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