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The intensity of X-rays from a coolidge ...

The intensity of X-rays from a coolidge tube is plotted against wavelength as shown in figure. The minimum wavelength found is `lambda_c` and the wavelength of the `k_alpha` line is `lambda_k`. As the accelerating voltage is increased.

A

`(lambda_k-lambda_o)` increases

B

`(lambda_k-lambda_0)` decreases

C

`lambda_k` increases

D

`lambda_k` decreases

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The correct Answer is:
A
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