Question

# If the potential difference of Coolidge tube producing X-ray is increased, then choose the correct option(s). Here  λ0 is cutoff wavelength and λkα and λkβ are wavelength of kα and kβ characteristic X-rays.  the interval between  λkα and λkβincreasesthe interval between  λkα and λ0increasesthe interval between λkβ and λ0increasesλ0 does not change

Solution

## The correct options are B the interval between  λkα and λ0increases C the interval between λkβ and λ0increasesAs λ0=hceV and as V increases. λ0 decreases but characteristic wavelengths do not change so interval between λkα  & λ0 increases and the same for  the interval between λkα &  λ0

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