Dual Nature of Matter

The figure shows a plot of photo current versus anode potential for a photo sensitive surface for three different radiations. Which one of the following is a correct statement?

Particle $A$ of mass $\text{m}_{\text{A}}=\frac{\text{m}}{2}$ moving along the $\text{x}$ -axis with velocity $\text{v}_{0}$ collides elastically with another particle $\text{B}$ at rest having mass…

The stopping potential $V_{o}$ (in volt) as a function of frequency $(v)$ for a sodium emitter, is shown in the figure. The work function of sodium, form the data plotted in the figure, will be: (Given: Planck's…

A light beam of wavelength $500\mathrm{nm}$ is incident on a metal having work function of $1.25\mathrm{eV}$, placed in a magnetic field of intensity $B$. The electrons emitted perpendicular to the magnetic field $B$,…

The time by a photoelectron to come out after the photon strikes is approximately

In photoelectric effect A. The photocurrent is proportional to the intensity of the incident radiation. B. Maximum kinetic energy with which photoelectrons are emitted depends on the intensity of incident light. C.…

The de Broglie wavelength for an electron accelerated through the potential difference of $V_1$ volt is $\lambda_1$. When the potential difference is changed to $V_2$ volt, the associated de Broglie wavelength is…

The graph shows variation of stopping potential $V_o$ with the frequency $\nu$ of the incident radiation for three photosensitive metals $X_1$, $X_2$ and $X_3$. Which metal will give out electrons with greater kinetic…

Which figure shows the correct variation of applied potential difference (V) with photoelectric current (I) at two different intensities of light $\left(\mathrm{I}_1<\mathrm{I}_2\right)$ of same wavelengths :

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 :

The de Broglie wavelength associated with an electron accelerated through a potential difference V is $\lambda_e$ and the de Broglie wavelength associated with a proton accelerated through the same potential difference…

Match the LIST-I with LIST-II List-I List-II A. Planck's constant I. $ML^2T^{-2}$ B. Stopping potential II. $T^{-1}$ C. Work function III. $ML^2T^{-1}$ D. Threshold frequency IV. $ML^2T^{-3}A^{-1}$ Choose the correct…