What kind of photon is required for the Compton effect to occur?

Consider the following statements: The main contribution to photoconduction is by 1. the generation of electron and hole pair by a photon 2. a donor electron jumping into the conduction band because of a photon’s energy 3. a valence electron jumping into an acceptor state because of a photon’s energy Which of the above statements is/are correct?

A

1 only

B

2 only

C

3 only

D

1, 2 and 3

Consider the statements.
1. Photon is a particle of light.
2. Mass of photon is not defined.
3. Speed of photon is as the speed of light.
4. Photons are charged.
Which options is/are correct?

A

1 and 2

B

1, 2, 3 and 4

C

1, 2 and 3

D

1 and 3

A suit, a trouser, and a shirt are to be stitched from a cloth. The cloth required for the suit is the average of cloth required for trousers and shirt. The length of the cloth for suit is 1.5 times the cloth required for the shirt. The length of cloth required for shirt is 5 times the even prime number. Which of the following is/are correct? A. Cloth required for trousers is 20 m B. Average length of cloth required for all the dresses = Cloth required for suit C. Initially, the cloth was 45 m D. Cloth required for shirt is 15 m

A

C and D

B

A, B and C

C

Only A

D

All

Which of the following is/are the failure of the wave theory of light 1. Failed to explain the rectilinear propagation of light 2. Waves weren't treated as wavelet 3. Theory was successful to explain laws of reflection and refraction 4. The phenomena like the Compton effect, the photoelectric effect couldn't be explained using this theory

A

Both 1 and 2

B

Both 1 and 3

C

Both 2 and 4

D

Both 1 and 4

What kind of photon is required for the pair production phenomenon to occur?

A

Visible Light Photon

B

X-ray Photon

C

γ-ray Photon

D

UV Photon

A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statements is not correct?

A

The wavelength of X-ray photon is less than the wavelength of visible radiation photon.

B

Both\ \ the\ \ photons\ \ have\ \ different energies.

C

The\ speeds\ of\ both\ the\ photons\ in vacuum are different

D

The\ \frequency\ \of\ \X-ray\ \photon\ \is higher\ than\ the\ frequency\ of\ visible radiation photon.

Consider if we incident a photon on a metal plate causes the emission of a photoelectron, now if we increase the intensity of photon to thrice of its initial value then the kinetic energy of photoelectron will

A

become more than tripple

B

become less than tripple

C

become exactly tripple

D

not change

What is the energy (E) of photon in terms of wavelength (λ)? if h = Plank's constant; c = speed of photon

A

E = h × λ

B

E = (h × c) / λ

C

E = (λ × c) / h

D

E = (h × λ) / c

Consider a photon is incident on a metal surface with work function hν0 and energy of a photon is hv, in such case which of the following statement is correct among the following

A

All ejected electrons have kinetic energy greater then hν – hν0

B

The ejected electrons have a distribution of kinetic energy from zero to (hν – hν0)

C

The most energetic electrons have kinetic energy equal to hν

D

None of the above

A photon of energy 4.1 MeV is incident on a lead nucleus, causing the creation of electron-positron pair. They travel perpendicular to the initial direction of the photon. The energy of the electron is ____________

A

4.1 MeV

B

2.05 MeV

C

1.02 MeV

D

0.51 MeV

What kind of photon is required for the Compton effect to occur?

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