Refer to NEET Physics Photon Photoelectric Effect X rays and Davison Germer Experiment MCQs provided below. NEET Full Syllabus Physics MCQs with answers available in Pdf for free download. The MCQ Questions for Full Syllabus Physics with answers have been prepared as per the latest syllabus, NEET books and examination pattern suggested in Full Syllabus by NEET, NCERT and KVS. Multiple Choice Questions for Photon Photoelectric Effect X rays and Davison Germer Experiment are an important part of exams for Full Syllabus Physics and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for NEET Full Syllabus Physics and also download more latest study material for all subjects
MCQ for Full Syllabus Physics Photon Photoelectric Effect X rays and Davison Germer Experiment
Full Syllabus Physics students should refer to the following multiple-choice questions with answers for Photon Photoelectric Effect X rays and Davison Germer Experiment in Full Syllabus. These MCQ questions with answers for Full Syllabus Physics will come in exams and help you to score good marks
Photon Photoelectric Effect X rays and Davison Germer Experiment MCQ Questions Full Syllabus Physics with Answers
Question: Photoelectric effect is the phenomenon in which
a) which depends on the frequency and intensity of incident light wave.
b) electrons come out of a metal with a constant velocity
c) photons come out of the nucleus of an atom under the action of an electric field
d) photons come out of a metal when it is hit by a beam of electrons
Answer: which depends on the frequency and intensity of incident light wave.
Question: The photoelectrons emitted from a metal surface are such that their velocity
a) lies between zero and a finite maximum
b) lies between zero and infinity
c) is same for all
d) is zero for all
Answer: lies between zero and a finite maximum
Question: In which of the following, emission of electrons does not take place?
a) X-rays emission
b) Secondary emission
c) Thermionic emission
d) Photoelectric emission
Answer: X-rays emission
Question: Photoelectric emmision occurs only when the incident light has more than a certain minimum
a) frequency
b) wavelength
c) intensity
d) power
Answer: frequency
Question: The energy of a photon of green light of wavelength 5000Å is
a) 3.973 × 10–19 joule
b) 8453 × 10–19 joule
c) 3.459 × 10–19 joule
d) None of these
Answer: 3.973 × 10–19 joule
Question: Which of the following when falls on a metal will emit photoelectrons ?
a) UV radiations
b) Infrared radiation
c) Microwaves
d) Radio waves
Answer: UV radiations
Question: The work-function of a metal is
a) the minimum amount of energy required to take out the electron from the metal surface
b) None of these
c) the maximum frequency required to take out electron from the metal surface
d) the minimum current required to take out electron bfrom the metal surface
Answer: the minimum amount of energy required to take out the electron from the metal surface
Question: The photoelectric current does not depend upon the
(i) frequency of incident light
(ii) work function of the metal
(iii) stopping potential
(iv) intensity of incident light
a) (iii) only
b) (i) and (iv) only
c) (ii) and (iii) only
d) (ii) only
Answer: (iii) only
Question: The stopping potential is directly related to
a) the kinetic energy gained by the photoelectrons
b) the saturation current for the given frequency
c) intensity of incident radiation
d) the work function of the metal
Answer: the kinetic energy gained by the photoelectrons
More Questions.....................................
Question: When light is incident on a metal surface the maximum kinetic energy of emitted electronsa) vary with frequency of light
b) vary with intensity of light
c) vary with speed of light
d) vary irregularly
Answer: vary with frequency of light
Question: A photoelectric cell is a device which
a) converts light into electricity
b) converts electricity into light
c) stores light
d) stores electricity
Answer: converts light into electricity
Question: The maximum energy of electrons released in a photocell is independent of
a) the nature of the cathode
b) All of the above
c) the intensity of the incident light
d) the frequency of the incident light
Answer: the nature of the cathode
Question: Light of a particular frequency n is incident on a metal surface. When the intensity of incident radiation is increased, the photoelectric current
a) increases
b) decreases
c) sometimes increases and sometimes decreases
d) remains unchanged
Answer: increases
Question: The work function of a metal is independent of
(i) nature of the surface of the metal
(ii) dimensions of the metal
(iii) properties of the metal
(iv) abundance of the metal
a) (ii) and (iv)
b) (i) and (iii)
c) (ii) and (iii)
d) (i) only
Answer: (ii) and (iv)
Question: The work function of a substance is 4.0 eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately
a) 310 nm
b) 400 nm
c) 540 nm
d) 220 nm
Answer: 310 nm
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NEET Full Syllabus Physics Photon Photoelectric Effect X rays and Davison Germer Experiment MCQs
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MCQs for Physics NEET Full Syllabus Photon Photoelectric Effect X rays and Davison Germer Experiment
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Photon Photoelectric Effect X rays and Davison Germer Experiment MCQs Physics NEET Full Syllabus
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Photon Photoelectric Effect X rays and Davison Germer Experiment NEET Full Syllabus MCQs Physics
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NEET MCQs Physics Full Syllabus Photon Photoelectric Effect X rays and Davison Germer Experiment
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