Photoelectric Effect
« Previous Topic: Particle Nature of Light Next Topic: Wave Nature of Matter »
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357777 Assertion :
The relative velocity of two photons travelling in opposite direction is the velocity of light.
Reason :
The rest mass of a photon is zero.

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.
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357778 Choose the correct statements

1 Photoelectric effect can take place from bound electrons.
2 Photoelectric effect can take place from free electrons.
3 Photoelectric effect can take place from bounded or free electrons.
4 None of the above
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357779 \(A\) and \(B\) are two metals with threshold frequencies \(1.8 \times {10^{14}}\;Hz\) and \(2.2 \times {10^{14}}\;Hz\). Two identical photons of energy \(0.825\,eV\) each are incident on them. Then photoelectrons are emitted by
(Take \(h = 6.6 \times {10^{ - 34}}\;J\;s\) )

1 \(B\) alone
2 A alone
3 neither \(A\) nor \(B\)
4 both \(A\) and \(B\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357780 The best suitable metal for photoelectric effect is

1 Iron
2 Steel
3 Aluminium
4 Cesium
NEET DIGITAL LIBRARY
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357777 Assertion :
The relative velocity of two photons travelling in opposite direction is the velocity of light.
Reason :
The rest mass of a photon is zero.

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.
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357778 Choose the correct statements

1 Photoelectric effect can take place from bound electrons.
2 Photoelectric effect can take place from free electrons.
3 Photoelectric effect can take place from bounded or free electrons.
4 None of the above
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357779 \(A\) and \(B\) are two metals with threshold frequencies \(1.8 \times {10^{14}}\;Hz\) and \(2.2 \times {10^{14}}\;Hz\). Two identical photons of energy \(0.825\,eV\) each are incident on them. Then photoelectrons are emitted by
(Take \(h = 6.6 \times {10^{ - 34}}\;J\;s\) )

1 \(B\) alone
2 A alone
3 neither \(A\) nor \(B\)
4 both \(A\) and \(B\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357780 The best suitable metal for photoelectric effect is

1 Iron
2 Steel
3 Aluminium
4 Cesium
Join With Us for More Updates
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357777 Assertion :
The relative velocity of two photons travelling in opposite direction is the velocity of light.
Reason :
The rest mass of a photon is zero.

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.
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357778 Choose the correct statements

1 Photoelectric effect can take place from bound electrons.
2 Photoelectric effect can take place from free electrons.
3 Photoelectric effect can take place from bounded or free electrons.
4 None of the above
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357779 \(A\) and \(B\) are two metals with threshold frequencies \(1.8 \times {10^{14}}\;Hz\) and \(2.2 \times {10^{14}}\;Hz\). Two identical photons of energy \(0.825\,eV\) each are incident on them. Then photoelectrons are emitted by
(Take \(h = 6.6 \times {10^{ - 34}}\;J\;s\) )

1 \(B\) alone
2 A alone
3 neither \(A\) nor \(B\)
4 both \(A\) and \(B\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357780 The best suitable metal for photoelectric effect is

1 Iron
2 Steel
3 Aluminium
4 Cesium
For More Updates join with Us
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357777 Assertion :
The relative velocity of two photons travelling in opposite direction is the velocity of light.
Reason :
The rest mass of a photon is zero.

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.
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357778 Choose the correct statements

1 Photoelectric effect can take place from bound electrons.
2 Photoelectric effect can take place from free electrons.
3 Photoelectric effect can take place from bounded or free electrons.
4 None of the above
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357779 \(A\) and \(B\) are two metals with threshold frequencies \(1.8 \times {10^{14}}\;Hz\) and \(2.2 \times {10^{14}}\;Hz\). Two identical photons of energy \(0.825\,eV\) each are incident on them. Then photoelectrons are emitted by
(Take \(h = 6.6 \times {10^{ - 34}}\;J\;s\) )

1 \(B\) alone
2 A alone
3 neither \(A\) nor \(B\)
4 both \(A\) and \(B\)
PHXII11:DUAL NATURE OF RADIATION AND MATTER

357780 The best suitable metal for photoelectric effect is

1 Iron
2 Steel
3 Aluminium
4 Cesium
NEET DIGITAL LIBRARY