The given graph shows the variations of photo-electric current (I) versus applied voltage (V) for two different photosensitive materials and for two different intensities of the incident radiations. Identify the pairs of curves that correspond to different materials but same intensity of incident radiations

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Answer 1

Curves 1 and 2 correspond to similar materials while curves and 4 represent different materials, since the value of stopping potential for 1,2 and 3, 4 are the same,For the given frequency of the incident radiation, the stopping potential is independent of its intensity
So, the pairs of curves (1 and 3) and (2 and 4) correspond to different materials but same intensity of incident radiations.

Answer 2

Curves 1 and 2 correspond to similar materials while curves and 4 represent different materials, since the value of stopping potential for 1,2 and 3, 4 are the same,For the given frequency of the incident radiation, the stopping potential is independent of its intensity
So, the pairs of curves (1 and 3) and (2 and 4) correspond to different materials but same intensity of incident radiations.

The curves $(a), (b) (c)$ and $(d)$ show the variation between the applied potential difference $(V)$ and the photoelectric current $(i)$ , at two different intensities of light $i_{1} > i_{2}$ . In which figure is the correct variation shown

A water drop of mass $3.2 \times 1 0^{- 18}$ kg and carrying a charge of $1.6 \times 1 0^{- 19}$ C is suspended stationary between two plates of an electric field. Given $g = 10$ $m / s^{2}$ , the intensity of the electric field required is

Which one of the following graphs in figure shows the variation of photoelectric current (I) with voltage (V) between the electrodes in a photoelectric cell?

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Observations on Photo Electric Effect

Experimental Study of Photoelectric Effect

The curves (a),(b) (c) and (d) show the variation between the applied potential difference (V) and the photoelectric current (i), at two different intensities of light i1​>i2​. In which figure is the correct variation shown

A water drop of mass 3.2×10−18 kg and carrying a charge of 1.6×10−19C is suspended stationary between two plates of an electric field. Given g=10 m/s2, the intensity of the electric field required is