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JEE Main Modern Physics — practice questions

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The stopping potential is defined as the minimum negative potential between the plates at which ![](https://q If the intensity of incident light is increased for a photosensitive surface while frequency remains above thr According to the notes and the graph, how does stopping potential change when the intensity of incident light The graph of stopping potential $V_0$ versus frequency $\nu$ is shown in the figure. From this graph, which st Using the graph shown, what does the intercept on the frequency axis represent in the $K_{\max}$ versus $\nu$ Einstein's photoelectric equation is best written as ![](https://qallery.app/diagrams/v2_4a14ecc17692/img-007 Which of the following correctly defines the threshold frequency in photoelectric emission?What is the work function of a metal?The equivalent mass of a photon of frequency $\nu$ is The momentum of a photon of wavelength $\lambda$ is Which phenomenon listed in the notes is evidence for the particle nature of light?An electron is accelerated through a potential difference $V$. According to the relation given in the notes, i According to de Broglie's hypothesis, the wavelength associated with a moving particle of mass $m$ and speed $A person of mass $60$ kg stands on a weighing scale in a lift. The lift accelerates upward at $2$ m/s². What i The dimensions of Planck's constant are same as that of:Per NCERT §4.5 (definition of momentum), the momentum p of a body of mass m moving with velocity v is which?Per NCERT §4.5, the SI unit of force is the newton, with one newton equal to which value?Per NCERT §4.5, the impulse-momentum theorem states that the impulse on a body equals which quantity?