The graph between the intensity of light falling on a metallic plate \((I)\) and the generated current \((i)\) is given by:

1.		2.
3.		4.

The value of stopping potential in the following diagram is given by:
    

In the following diagram if ${\mathrm{V}}_2>{\mathrm{V}}_1$, then,

(1) ${\mathrm{\lambda }}_1=\sqrt{{\mathrm{\lambda }}_2}$

(2) ${\mathrm{\lambda }}_1<{\mathrm{\lambda }}_2$

(3) ${\mathrm{\lambda }}_1={\mathrm{\lambda }}_2$

(4) ${\mathrm{\lambda }}_1>{\mathrm{\lambda }}_2$

A point source of light is used in an experiment on photoelectric effects. Which of the following curves best represents the variation of photocurrent \((i)\) with distance \((d)\) of the source from the emitter?

The stopping potential \((V_{0})\) versus frequency \((\nu_{0})\) plot of a substance is shown in the figure. What will be the threshold wavelength?    
         

Figure represents a graph of kinetic energy (K) of photoelectrons (in eV) and frequency (v) for a metal used as cathode in photoelectric experiment. The work function of metal is

1. 1 eV

2. 1.5 eV

3. 2 eV

4. 3 eV

The graph that correctly represents the relation of frequency v of a particular characteristic X-ray with the atomic number Z of the material is

The dependence of the short wavelength limit ${\mathrm{\lambda }}_{\min }$ on the accelerating potential V is represented by the curve of figure:

1. A
2. B
3. C
4. None of these