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If the potential difference applied to the tube is doubled and the separation between the filament and the target is also doubled. the cutoff wavelength
(a) will remain unchanged
(b) will be doubled
(c) will be halved
(d) will become four times the original.
If the potential difference applied to the tube is doubled and the separation between the filament and the target is also doubled. the cutoff wavelength
(a) will remain unchanged
(b) will be doubled
(c) will be halved
(d) will become four times the original.
(c) will be halved