Photoelectric Effect
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357798 Find the maximum wavelength of light that can cause photoelectric effect in Lithium (work function \( = 2.5\,eV\) )

1 \(497\;nm\)
2 \(397\;nm\)
3 \(749\;nm\)
4 \(237\;nm\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357799 The photo electrons emitted from the surface of sodium metal are

1 Of speeds from 0 to a certain maximum
2 Of same de Broglie wavelength
3 Of same kinetic energy
4 Of same frequency
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357800 Stopping potential depends on

1 Frequency of incident light
2 Intensity of incident light
3 Number of emitted electrons
4 Number of incident photons
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357801 The function of photoelectric cell is

1 To convert electrical energy into light energy
2 To convert light energy into electrical energy
3 To convert mechanical energy into electrical energy
4 To convert \(DC\) into \(AC\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357802 Wavelength of a 1 \(KeV\) photon is \({1.24 \times 10^{-9} {~m}}\). What is the frequency of 1 \(KeV\) photon?

1 \({2.4 \times 10^{20} {~Hz}}\)
2 \({1.24 \times 10^{15} {~Hz}}\)
3 \({1.24 \times 10^{18} {~Hz}}\)
4 \({2.4 \times 10^{23} {~Hz}}\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357798 Find the maximum wavelength of light that can cause photoelectric effect in Lithium (work function \( = 2.5\,eV\) )

1 \(497\;nm\)
2 \(397\;nm\)
3 \(749\;nm\)
4 \(237\;nm\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357799 The photo electrons emitted from the surface of sodium metal are

1 Of speeds from 0 to a certain maximum
2 Of same de Broglie wavelength
3 Of same kinetic energy
4 Of same frequency
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357800 Stopping potential depends on

1 Frequency of incident light
2 Intensity of incident light
3 Number of emitted electrons
4 Number of incident photons
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357801 The function of photoelectric cell is

1 To convert electrical energy into light energy
2 To convert light energy into electrical energy
3 To convert mechanical energy into electrical energy
4 To convert \(DC\) into \(AC\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357802 Wavelength of a 1 \(KeV\) photon is \({1.24 \times 10^{-9} {~m}}\). What is the frequency of 1 \(KeV\) photon?

1 \({2.4 \times 10^{20} {~Hz}}\)
2 \({1.24 \times 10^{15} {~Hz}}\)
3 \({1.24 \times 10^{18} {~Hz}}\)
4 \({2.4 \times 10^{23} {~Hz}}\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357798 Find the maximum wavelength of light that can cause photoelectric effect in Lithium (work function \( = 2.5\,eV\) )

1 \(497\;nm\)
2 \(397\;nm\)
3 \(749\;nm\)
4 \(237\;nm\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357799 The photo electrons emitted from the surface of sodium metal are

1 Of speeds from 0 to a certain maximum
2 Of same de Broglie wavelength
3 Of same kinetic energy
4 Of same frequency
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357800 Stopping potential depends on

1 Frequency of incident light
2 Intensity of incident light
3 Number of emitted electrons
4 Number of incident photons
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357801 The function of photoelectric cell is

1 To convert electrical energy into light energy
2 To convert light energy into electrical energy
3 To convert mechanical energy into electrical energy
4 To convert \(DC\) into \(AC\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357802 Wavelength of a 1 \(KeV\) photon is \({1.24 \times 10^{-9} {~m}}\). What is the frequency of 1 \(KeV\) photon?

1 \({2.4 \times 10^{20} {~Hz}}\)
2 \({1.24 \times 10^{15} {~Hz}}\)
3 \({1.24 \times 10^{18} {~Hz}}\)
4 \({2.4 \times 10^{23} {~Hz}}\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357798 Find the maximum wavelength of light that can cause photoelectric effect in Lithium (work function \( = 2.5\,eV\) )

1 \(497\;nm\)
2 \(397\;nm\)
3 \(749\;nm\)
4 \(237\;nm\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357799 The photo electrons emitted from the surface of sodium metal are

1 Of speeds from 0 to a certain maximum
2 Of same de Broglie wavelength
3 Of same kinetic energy
4 Of same frequency
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357800 Stopping potential depends on

1 Frequency of incident light
2 Intensity of incident light
3 Number of emitted electrons
4 Number of incident photons
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357801 The function of photoelectric cell is

1 To convert electrical energy into light energy
2 To convert light energy into electrical energy
3 To convert mechanical energy into electrical energy
4 To convert \(DC\) into \(AC\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357802 Wavelength of a 1 \(KeV\) photon is \({1.24 \times 10^{-9} {~m}}\). What is the frequency of 1 \(KeV\) photon?

1 \({2.4 \times 10^{20} {~Hz}}\)
2 \({1.24 \times 10^{15} {~Hz}}\)
3 \({1.24 \times 10^{18} {~Hz}}\)
4 \({2.4 \times 10^{23} {~Hz}}\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357798 Find the maximum wavelength of light that can cause photoelectric effect in Lithium (work function \( = 2.5\,eV\) )

1 \(497\;nm\)
2 \(397\;nm\)
3 \(749\;nm\)
4 \(237\;nm\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357799 The photo electrons emitted from the surface of sodium metal are

1 Of speeds from 0 to a certain maximum
2 Of same de Broglie wavelength
3 Of same kinetic energy
4 Of same frequency
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357800 Stopping potential depends on

1 Frequency of incident light
2 Intensity of incident light
3 Number of emitted electrons
4 Number of incident photons
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357801 The function of photoelectric cell is

1 To convert electrical energy into light energy
2 To convert light energy into electrical energy
3 To convert mechanical energy into electrical energy
4 To convert \(DC\) into \(AC\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357802 Wavelength of a 1 \(KeV\) photon is \({1.24 \times 10^{-9} {~m}}\). What is the frequency of 1 \(KeV\) photon?

1 \({2.4 \times 10^{20} {~Hz}}\)
2 \({1.24 \times 10^{15} {~Hz}}\)
3 \({1.24 \times 10^{18} {~Hz}}\)
4 \({2.4 \times 10^{23} {~Hz}}\)