Particle Nature of Light
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PHXII11:DUAL NATURE OF RADIATION AND MATTER

357587 Photon and electron are given same energy \(\left( {{{10}^{ - 20}}\;J} \right)\). Wavelength associated with photon and electron are \(\lambda_{p}\) and \(\lambda_{e}\), the correct statement will be

1 \(\lambda_{p}>\lambda_{e}\)
2 \(\lambda_{p} < \lambda_{e}\)
3 \(\lambda_{p}=\lambda_{e}\)
4 \(\dfrac{\lambda_{e}}{\lambda_{p}}=c\)
AIIMS - 2012
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357588 Monochromatic light of wavelength \(667\;nm\) is produced by a helium neon laser. The power emitted is \(9\;mW\). The number of photons arriving per second on the average at a target irradiated by this beam is

1 \(9 \times 10^{17}\)
2 \(9 \times 10^{15}\)
3 \(3 \times 10^{19}\)
4 \(3 \times 10^{16}\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357589 A photocell is illuminated by a small bright source placed 1\(m\) away. When the same source is placed \({\dfrac{1}{2} {~m}}\) away, the number of electrons emitted would

1 increase by a factor of 2
2 increase by a factor of 4
3 increase by a factor of 8
4 increase by a factor of 16
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357590 If the mass of neutron \( = 1.7 \times {10^{ - 27}}\;kg\). Then the de - broglie wavelength of neutron of energy \(3\,eV\) is:

1 \(1.6 \times {10^{ - 10}}\;m\)
2 \(1.6 \times {10^{ - 11}}\;m\)
3 \(1.4 \times {10^{ - 10}}\;m\)
4 \(1.4 \times {10^{ - 11}}\;m\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357591 Assertion :
Mass of moving photon varies inversely as the wavelength.
Reason :
Energy of the particle with mass is
\(\left[\right.\)Mass \(\left.\times(\text { Speed of light })^{2}\right]\)

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
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PHXII11:DUAL NATURE OF RADIATION AND MATTER

357587 Photon and electron are given same energy \(\left( {{{10}^{ - 20}}\;J} \right)\). Wavelength associated with photon and electron are \(\lambda_{p}\) and \(\lambda_{e}\), the correct statement will be

1 \(\lambda_{p}>\lambda_{e}\)
2 \(\lambda_{p} < \lambda_{e}\)
3 \(\lambda_{p}=\lambda_{e}\)
4 \(\dfrac{\lambda_{e}}{\lambda_{p}}=c\)
AIIMS - 2012
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357588 Monochromatic light of wavelength \(667\;nm\) is produced by a helium neon laser. The power emitted is \(9\;mW\). The number of photons arriving per second on the average at a target irradiated by this beam is

1 \(9 \times 10^{17}\)
2 \(9 \times 10^{15}\)
3 \(3 \times 10^{19}\)
4 \(3 \times 10^{16}\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357589 A photocell is illuminated by a small bright source placed 1\(m\) away. When the same source is placed \({\dfrac{1}{2} {~m}}\) away, the number of electrons emitted would

1 increase by a factor of 2
2 increase by a factor of 4
3 increase by a factor of 8
4 increase by a factor of 16
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357590 If the mass of neutron \( = 1.7 \times {10^{ - 27}}\;kg\). Then the de - broglie wavelength of neutron of energy \(3\,eV\) is:

1 \(1.6 \times {10^{ - 10}}\;m\)
2 \(1.6 \times {10^{ - 11}}\;m\)
3 \(1.4 \times {10^{ - 10}}\;m\)
4 \(1.4 \times {10^{ - 11}}\;m\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357591 Assertion :
Mass of moving photon varies inversely as the wavelength.
Reason :
Energy of the particle with mass is
\(\left[\right.\)Mass \(\left.\times(\text { Speed of light })^{2}\right]\)

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
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PHXII11:DUAL NATURE OF RADIATION AND MATTER

357587 Photon and electron are given same energy \(\left( {{{10}^{ - 20}}\;J} \right)\). Wavelength associated with photon and electron are \(\lambda_{p}\) and \(\lambda_{e}\), the correct statement will be

1 \(\lambda_{p}>\lambda_{e}\)
2 \(\lambda_{p} < \lambda_{e}\)
3 \(\lambda_{p}=\lambda_{e}\)
4 \(\dfrac{\lambda_{e}}{\lambda_{p}}=c\)
AIIMS - 2012
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357588 Monochromatic light of wavelength \(667\;nm\) is produced by a helium neon laser. The power emitted is \(9\;mW\). The number of photons arriving per second on the average at a target irradiated by this beam is

1 \(9 \times 10^{17}\)
2 \(9 \times 10^{15}\)
3 \(3 \times 10^{19}\)
4 \(3 \times 10^{16}\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357589 A photocell is illuminated by a small bright source placed 1\(m\) away. When the same source is placed \({\dfrac{1}{2} {~m}}\) away, the number of electrons emitted would

1 increase by a factor of 2
2 increase by a factor of 4
3 increase by a factor of 8
4 increase by a factor of 16
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357590 If the mass of neutron \( = 1.7 \times {10^{ - 27}}\;kg\). Then the de - broglie wavelength of neutron of energy \(3\,eV\) is:

1 \(1.6 \times {10^{ - 10}}\;m\)
2 \(1.6 \times {10^{ - 11}}\;m\)
3 \(1.4 \times {10^{ - 10}}\;m\)
4 \(1.4 \times {10^{ - 11}}\;m\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357591 Assertion :
Mass of moving photon varies inversely as the wavelength.
Reason :
Energy of the particle with mass is
\(\left[\right.\)Mass \(\left.\times(\text { Speed of light })^{2}\right]\)

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
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PHXII11:DUAL NATURE OF RADIATION AND MATTER

357587 Photon and electron are given same energy \(\left( {{{10}^{ - 20}}\;J} \right)\). Wavelength associated with photon and electron are \(\lambda_{p}\) and \(\lambda_{e}\), the correct statement will be

1 \(\lambda_{p}>\lambda_{e}\)
2 \(\lambda_{p} < \lambda_{e}\)
3 \(\lambda_{p}=\lambda_{e}\)
4 \(\dfrac{\lambda_{e}}{\lambda_{p}}=c\)
AIIMS - 2012
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357588 Monochromatic light of wavelength \(667\;nm\) is produced by a helium neon laser. The power emitted is \(9\;mW\). The number of photons arriving per second on the average at a target irradiated by this beam is

1 \(9 \times 10^{17}\)
2 \(9 \times 10^{15}\)
3 \(3 \times 10^{19}\)
4 \(3 \times 10^{16}\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357589 A photocell is illuminated by a small bright source placed 1\(m\) away. When the same source is placed \({\dfrac{1}{2} {~m}}\) away, the number of electrons emitted would

1 increase by a factor of 2
2 increase by a factor of 4
3 increase by a factor of 8
4 increase by a factor of 16
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357590 If the mass of neutron \( = 1.7 \times {10^{ - 27}}\;kg\). Then the de - broglie wavelength of neutron of energy \(3\,eV\) is:

1 \(1.6 \times {10^{ - 10}}\;m\)
2 \(1.6 \times {10^{ - 11}}\;m\)
3 \(1.4 \times {10^{ - 10}}\;m\)
4 \(1.4 \times {10^{ - 11}}\;m\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357591 Assertion :
Mass of moving photon varies inversely as the wavelength.
Reason :
Energy of the particle with mass is
\(\left[\right.\)Mass \(\left.\times(\text { Speed of light })^{2}\right]\)

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
Join With Us for More Updates
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357587 Photon and electron are given same energy \(\left( {{{10}^{ - 20}}\;J} \right)\). Wavelength associated with photon and electron are \(\lambda_{p}\) and \(\lambda_{e}\), the correct statement will be

1 \(\lambda_{p}>\lambda_{e}\)
2 \(\lambda_{p} < \lambda_{e}\)
3 \(\lambda_{p}=\lambda_{e}\)
4 \(\dfrac{\lambda_{e}}{\lambda_{p}}=c\)
AIIMS - 2012
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357588 Monochromatic light of wavelength \(667\;nm\) is produced by a helium neon laser. The power emitted is \(9\;mW\). The number of photons arriving per second on the average at a target irradiated by this beam is

1 \(9 \times 10^{17}\)
2 \(9 \times 10^{15}\)
3 \(3 \times 10^{19}\)
4 \(3 \times 10^{16}\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357589 A photocell is illuminated by a small bright source placed 1\(m\) away. When the same source is placed \({\dfrac{1}{2} {~m}}\) away, the number of electrons emitted would

1 increase by a factor of 2
2 increase by a factor of 4
3 increase by a factor of 8
4 increase by a factor of 16
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357590 If the mass of neutron \( = 1.7 \times {10^{ - 27}}\;kg\). Then the de - broglie wavelength of neutron of energy \(3\,eV\) is:

1 \(1.6 \times {10^{ - 10}}\;m\)
2 \(1.6 \times {10^{ - 11}}\;m\)
3 \(1.4 \times {10^{ - 10}}\;m\)
4 \(1.4 \times {10^{ - 11}}\;m\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357591 Assertion :
Mass of moving photon varies inversely as the wavelength.
Reason :
Energy of the particle with mass is
\(\left[\right.\)Mass \(\left.\times(\text { Speed of light })^{2}\right]\)

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.