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Energy levels A,B and C of a certain ato...

Energy levels A,B and C of a certain atom correspond to increasing values of energy i.e. `E_(A) lt E_(B) lt E_(C)` .If `lamda_(1),lamda_(2),lamda_(3)` are the wavelengths of radiation corresponding to transition C to B,B to A and C to A respectively, which of the following statements is correct ?

A

`lamda_3 = lamda1+lamda_2`

B

`lamda_3=(lamda_1lamda_2)/(lamda_1+lamda_2)`

C

`lamda_1+lamda_2lamda_3=0`

D

`lamda_3^2=lamda_1^2lamda_2^2`

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • Energy levels A, B, C of a certain atom corresponding to increasing values of energy i.e., E_(A) lt E_(B) lt E_(C) . If lambda_(1), lambda_(2), lambda_(3) are the wavelengths of radiations correspnding to the transitions C to B, B to A and C to A respectively, which o fthe following statements is correct?

    A
    `lambda_(3) = lambda_(1) + lambda_(2)`
    B
    ` lambda_(3) = ( lambda_(1) lambda_(2))/( lambda_(1) + lambda_(2))`
    C
    ` lambda_(1) + lambda_(2) + lambda_(3) = 0`
    D
    ` lambda_(3)^(2) = lambda_(1)^(2) + lambda_(2)^(2)`

  • Energy levels A,B,C of a certain atoms corresponding to increasing values of energy level i.e., E_(A) lt E_(B) lt E_(C) . If lambda_(1), lambda_(2) and lambda_(3) are the wavelengths of radiations corresponding to the transitions C to B,B to A and C to A respectively which of the following statement is correct?

    A
    `lambda_(3) = lambda_(1) +lambda_(2)`
    B
    `lambda_(3) = (lambda_(1)lambda_(2))/(lambda_(1)+lambda_(2))`
    C
    `lambda_(1)+lambda_(2)+ lambda_(3) = 0`
    D
    `lambda_(3)^(2) =lambda_(1)^(2)+lambda_(2)^(2)`

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    ` lambda_3 = lambda_1 + lambda_2`
    B
    `lambda_3 ( lambda_2 )/(lambda_1+lambda_2)`
    C
    `lambda+1+ lambda-02 + lambda_3 =0`
    D
    `lambda_3^2 = lambda_1^2+lambda_2^2`
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