In a photoelectric effect experiment, the graph of stopping potential V versus reciprocal of wavelength obtained is shown in the figure. As the intensity of incident radiation is increased:
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a
Graph does not change
b
Slope of the straight line get more steep
c
Straight line shifts to left
d
Straight line shifts to right
answer is A.
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Detailed Solution
hcλ=φ+eV⇒ V=hce1λ−φeSlope hce and intercept −φe , both are independent of intensity of incident radiation.