Photoelectric Effect
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PHXII11:DUAL NATURE OF RADIATION AND MATTER

357691 Photoelectric emission is observed from a metallic surface for frequencies \(v_{1}\) and \(v_{2}\) of the incident light rays \(\left(v_{1}>v_{2}\right)\). If the maximum values of kinetic energy of the photoelectrons emitted in the two cases are in the ratio of \(1: k\), then the threshold frequency of the metallic surface is

1 \(\frac{{k{v_1} - {v_2}}}{{k - 1}}\)
2 \(\dfrac{v_{1}-v_{2}}{k-1}\)
3 \(\dfrac{v_{2}-v_{1}}{k}\)
4 \(\dfrac{k v_{2}-v_{1}}{k-1}\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357692 When light of wavelength \(\lambda\) is incident on photosensitive surface, the stopping potential is \(V\). When light of wavelength \(3 \lambda\) is incident on same surface, the stopping potential is \(\dfrac{V}{6}\). Threshold wavelength for the surface is

1 \(2 \lambda\)
2 \(3 \lambda\)
3 \(4 \lambda\)
4 \(5 \lambda\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357693 The maximum velocity of the photoelectron emitted by the metal surface is \(v\). Charge and mass of the photoelectron is denoted by \(e\) and \(m\) respectively. The stopping potential in volt is

1 \(\dfrac{v^{2}}{2\left(\dfrac{e}{m}\right)}\)
2 \(\dfrac{v^{2}}{\left(\dfrac{m}{e}\right)}\)
3 \(\dfrac{v^{2}}{2\left(\dfrac{m}{e}\right)}\)
4 \(\dfrac{v^{2}}{\left(\dfrac{e}{m}\right)}\)
MHTCET - 2020
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357694 When \(U V\) light of wavelength \(300\,nm\) is incident on the metal surface having work function \(2.13\,eV,\) electron emission takes place. The stopping potential is \(({\text{Given}}\,\,hc = 1240\,eV\,nm)\)

1 \(4.1\,V\)
2 \(1.5\,V\)
3 \(2\,V\)
4 \(4\,V\)
JEE - 2024
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357695 The maximum velocity of the photoelectrons emitted by the metal surface is ' \(v\) '. Charge and mass of the photoelectron is denoted by ' \(e\) ' and ' \(m\) ' respectively. The stopping potential in \(volt\) is

1 \(\frac{{{v^2}}}{{2\left( {\frac{m}{e}} \right)}}\)
2 \(\frac{{{v^2}}}{{2\left( {\frac{e}{m}} \right)}}\)
3 \(\frac{{{v^2}}}{{\left( {\frac{e}{m}} \right)}}\)
4 \(\frac{{{v^2}}}{{\left( {\frac{m}{e}} \right)}}\)
MHTCET - 2020
Join With Us for More Updates
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357691 Photoelectric emission is observed from a metallic surface for frequencies \(v_{1}\) and \(v_{2}\) of the incident light rays \(\left(v_{1}>v_{2}\right)\). If the maximum values of kinetic energy of the photoelectrons emitted in the two cases are in the ratio of \(1: k\), then the threshold frequency of the metallic surface is

1 \(\frac{{k{v_1} - {v_2}}}{{k - 1}}\)
2 \(\dfrac{v_{1}-v_{2}}{k-1}\)
3 \(\dfrac{v_{2}-v_{1}}{k}\)
4 \(\dfrac{k v_{2}-v_{1}}{k-1}\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357692 When light of wavelength \(\lambda\) is incident on photosensitive surface, the stopping potential is \(V\). When light of wavelength \(3 \lambda\) is incident on same surface, the stopping potential is \(\dfrac{V}{6}\). Threshold wavelength for the surface is

1 \(2 \lambda\)
2 \(3 \lambda\)
3 \(4 \lambda\)
4 \(5 \lambda\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357693 The maximum velocity of the photoelectron emitted by the metal surface is \(v\). Charge and mass of the photoelectron is denoted by \(e\) and \(m\) respectively. The stopping potential in volt is

1 \(\dfrac{v^{2}}{2\left(\dfrac{e}{m}\right)}\)
2 \(\dfrac{v^{2}}{\left(\dfrac{m}{e}\right)}\)
3 \(\dfrac{v^{2}}{2\left(\dfrac{m}{e}\right)}\)
4 \(\dfrac{v^{2}}{\left(\dfrac{e}{m}\right)}\)
MHTCET - 2020
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357694 When \(U V\) light of wavelength \(300\,nm\) is incident on the metal surface having work function \(2.13\,eV,\) electron emission takes place. The stopping potential is \(({\text{Given}}\,\,hc = 1240\,eV\,nm)\)

1 \(4.1\,V\)
2 \(1.5\,V\)
3 \(2\,V\)
4 \(4\,V\)
JEE - 2024
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357695 The maximum velocity of the photoelectrons emitted by the metal surface is ' \(v\) '. Charge and mass of the photoelectron is denoted by ' \(e\) ' and ' \(m\) ' respectively. The stopping potential in \(volt\) is

1 \(\frac{{{v^2}}}{{2\left( {\frac{m}{e}} \right)}}\)
2 \(\frac{{{v^2}}}{{2\left( {\frac{e}{m}} \right)}}\)
3 \(\frac{{{v^2}}}{{\left( {\frac{e}{m}} \right)}}\)
4 \(\frac{{{v^2}}}{{\left( {\frac{m}{e}} \right)}}\)
MHTCET - 2020
For More Updates join with Us
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357691 Photoelectric emission is observed from a metallic surface for frequencies \(v_{1}\) and \(v_{2}\) of the incident light rays \(\left(v_{1}>v_{2}\right)\). If the maximum values of kinetic energy of the photoelectrons emitted in the two cases are in the ratio of \(1: k\), then the threshold frequency of the metallic surface is

1 \(\frac{{k{v_1} - {v_2}}}{{k - 1}}\)
2 \(\dfrac{v_{1}-v_{2}}{k-1}\)
3 \(\dfrac{v_{2}-v_{1}}{k}\)
4 \(\dfrac{k v_{2}-v_{1}}{k-1}\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357692 When light of wavelength \(\lambda\) is incident on photosensitive surface, the stopping potential is \(V\). When light of wavelength \(3 \lambda\) is incident on same surface, the stopping potential is \(\dfrac{V}{6}\). Threshold wavelength for the surface is

1 \(2 \lambda\)
2 \(3 \lambda\)
3 \(4 \lambda\)
4 \(5 \lambda\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357693 The maximum velocity of the photoelectron emitted by the metal surface is \(v\). Charge and mass of the photoelectron is denoted by \(e\) and \(m\) respectively. The stopping potential in volt is

1 \(\dfrac{v^{2}}{2\left(\dfrac{e}{m}\right)}\)
2 \(\dfrac{v^{2}}{\left(\dfrac{m}{e}\right)}\)
3 \(\dfrac{v^{2}}{2\left(\dfrac{m}{e}\right)}\)
4 \(\dfrac{v^{2}}{\left(\dfrac{e}{m}\right)}\)
MHTCET - 2020
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357694 When \(U V\) light of wavelength \(300\,nm\) is incident on the metal surface having work function \(2.13\,eV,\) electron emission takes place. The stopping potential is \(({\text{Given}}\,\,hc = 1240\,eV\,nm)\)

1 \(4.1\,V\)
2 \(1.5\,V\)
3 \(2\,V\)
4 \(4\,V\)
JEE - 2024
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357695 The maximum velocity of the photoelectrons emitted by the metal surface is ' \(v\) '. Charge and mass of the photoelectron is denoted by ' \(e\) ' and ' \(m\) ' respectively. The stopping potential in \(volt\) is

1 \(\frac{{{v^2}}}{{2\left( {\frac{m}{e}} \right)}}\)
2 \(\frac{{{v^2}}}{{2\left( {\frac{e}{m}} \right)}}\)
3 \(\frac{{{v^2}}}{{\left( {\frac{e}{m}} \right)}}\)
4 \(\frac{{{v^2}}}{{\left( {\frac{m}{e}} \right)}}\)
MHTCET - 2020
NEET DIGITAL LIBRARY
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357691 Photoelectric emission is observed from a metallic surface for frequencies \(v_{1}\) and \(v_{2}\) of the incident light rays \(\left(v_{1}>v_{2}\right)\). If the maximum values of kinetic energy of the photoelectrons emitted in the two cases are in the ratio of \(1: k\), then the threshold frequency of the metallic surface is

1 \(\frac{{k{v_1} - {v_2}}}{{k - 1}}\)
2 \(\dfrac{v_{1}-v_{2}}{k-1}\)
3 \(\dfrac{v_{2}-v_{1}}{k}\)
4 \(\dfrac{k v_{2}-v_{1}}{k-1}\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357692 When light of wavelength \(\lambda\) is incident on photosensitive surface, the stopping potential is \(V\). When light of wavelength \(3 \lambda\) is incident on same surface, the stopping potential is \(\dfrac{V}{6}\). Threshold wavelength for the surface is

1 \(2 \lambda\)
2 \(3 \lambda\)
3 \(4 \lambda\)
4 \(5 \lambda\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357693 The maximum velocity of the photoelectron emitted by the metal surface is \(v\). Charge and mass of the photoelectron is denoted by \(e\) and \(m\) respectively. The stopping potential in volt is

1 \(\dfrac{v^{2}}{2\left(\dfrac{e}{m}\right)}\)
2 \(\dfrac{v^{2}}{\left(\dfrac{m}{e}\right)}\)
3 \(\dfrac{v^{2}}{2\left(\dfrac{m}{e}\right)}\)
4 \(\dfrac{v^{2}}{\left(\dfrac{e}{m}\right)}\)
MHTCET - 2020
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357694 When \(U V\) light of wavelength \(300\,nm\) is incident on the metal surface having work function \(2.13\,eV,\) electron emission takes place. The stopping potential is \(({\text{Given}}\,\,hc = 1240\,eV\,nm)\)

1 \(4.1\,V\)
2 \(1.5\,V\)
3 \(2\,V\)
4 \(4\,V\)
JEE - 2024
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357695 The maximum velocity of the photoelectrons emitted by the metal surface is ' \(v\) '. Charge and mass of the photoelectron is denoted by ' \(e\) ' and ' \(m\) ' respectively. The stopping potential in \(volt\) is

1 \(\frac{{{v^2}}}{{2\left( {\frac{m}{e}} \right)}}\)
2 \(\frac{{{v^2}}}{{2\left( {\frac{e}{m}} \right)}}\)
3 \(\frac{{{v^2}}}{{\left( {\frac{e}{m}} \right)}}\)
4 \(\frac{{{v^2}}}{{\left( {\frac{m}{e}} \right)}}\)
MHTCET - 2020
Join With Us for More Updates
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357691 Photoelectric emission is observed from a metallic surface for frequencies \(v_{1}\) and \(v_{2}\) of the incident light rays \(\left(v_{1}>v_{2}\right)\). If the maximum values of kinetic energy of the photoelectrons emitted in the two cases are in the ratio of \(1: k\), then the threshold frequency of the metallic surface is

1 \(\frac{{k{v_1} - {v_2}}}{{k - 1}}\)
2 \(\dfrac{v_{1}-v_{2}}{k-1}\)
3 \(\dfrac{v_{2}-v_{1}}{k}\)
4 \(\dfrac{k v_{2}-v_{1}}{k-1}\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357692 When light of wavelength \(\lambda\) is incident on photosensitive surface, the stopping potential is \(V\). When light of wavelength \(3 \lambda\) is incident on same surface, the stopping potential is \(\dfrac{V}{6}\). Threshold wavelength for the surface is

1 \(2 \lambda\)
2 \(3 \lambda\)
3 \(4 \lambda\)
4 \(5 \lambda\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357693 The maximum velocity of the photoelectron emitted by the metal surface is \(v\). Charge and mass of the photoelectron is denoted by \(e\) and \(m\) respectively. The stopping potential in volt is

1 \(\dfrac{v^{2}}{2\left(\dfrac{e}{m}\right)}\)
2 \(\dfrac{v^{2}}{\left(\dfrac{m}{e}\right)}\)
3 \(\dfrac{v^{2}}{2\left(\dfrac{m}{e}\right)}\)
4 \(\dfrac{v^{2}}{\left(\dfrac{e}{m}\right)}\)
MHTCET - 2020
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357694 When \(U V\) light of wavelength \(300\,nm\) is incident on the metal surface having work function \(2.13\,eV,\) electron emission takes place. The stopping potential is \(({\text{Given}}\,\,hc = 1240\,eV\,nm)\)

1 \(4.1\,V\)
2 \(1.5\,V\)
3 \(2\,V\)
4 \(4\,V\)
JEE - 2024
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357695 The maximum velocity of the photoelectrons emitted by the metal surface is ' \(v\) '. Charge and mass of the photoelectron is denoted by ' \(e\) ' and ' \(m\) ' respectively. The stopping potential in \(volt\) is

1 \(\frac{{{v^2}}}{{2\left( {\frac{m}{e}} \right)}}\)
2 \(\frac{{{v^2}}}{{2\left( {\frac{e}{m}} \right)}}\)
3 \(\frac{{{v^2}}}{{\left( {\frac{e}{m}} \right)}}\)
4 \(\frac{{{v^2}}}{{\left( {\frac{m}{e}} \right)}}\)
MHTCET - 2020