1.

50% of the X-ray coming from a Cooling tube is able to pass through a 0.1 mm thick aluminium foil. The potential difference between the target and the filament is increased. The thickness of aluminium foil, which will allow 50% of the X-ray to pass through, will beA. zeroB. `lt0.1mm`C. `0.1mm`D. `gt0.1mm`

Answer» Correct Answer - B
With increase of potentiaal differece, X-ray of higher energy will be produced , to stop them , thicker foil is required.


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