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The intensity distribution of X - rays f...

The intensity distribution of `X` - rays from two Coolidge tubes operated on different voltages `V_(1)` and `V_(2)` and using is shown in the figure . Which one of the following inequalities is true ?

A

`V_1 gt V_2 , Z_1 lt Z_2`

B

`V_1 gt V_2 , Z_1 gt Z_2`

C

`V_1 lt V_2 , Z_1 gt Z_2`

D

`V_1 = V_2 , Z_1 lt Z_2`

Text Solution

Verified by Experts

The correct Answer is:
A
`lamda_("min")=(hc)/(eV)implies lamdaprop1/V`
`lamda_2gtlamda_1impliesV_1V_2`
`f=a(Z-b)^2implies f prop (Z-1)^2`
`lamda prop 1/((Z-1)^2) , lamda_1 gt lamda_2 implies Z_2 gt Z_1`
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