MDCAT Physics Chapter 12 MCQ Test With Answer for Physics chapter 12 (Electromagnetic Induction)
The students can get the MCQs of Chapter 12 of Physics from this page. The MCQs of all the other chapters are also available that help the students during their preparation phase of MDCAT. The candidates can access the MCQs easily in a hassle-free manner so that they can solve them to strengthen their preparation.
By practicing the online MCQs, the students have better insight into all the topics included in the chapter. After preparing, the students should spend the maximum time solving the MCQs. It will help the students to ace the exam with a better score. The primary purpose of providing online MCQs is to facilitate the students so they can prepare for the upcoming exam in a better way. Moreover, it is also mandatory for the students to score the maximum marks to get admission to medical and dental colleges. For further updates, keep visiting this platform.
This online test contains MCQs about following topics:.
a) Describe energy of photon E =hf .
b) Understand the concept of photoelectric effect, threshold frequency and work function energy.
c) Explain why the maximum photoelectric energy is independent of intensity where as photoelectric current is proportional to intensity. d) Describe Einstein’s Photoelectric equation 2 max 2 1 hf = mv .
e) Define and explain de Broglie wavelength and use p h .
f) Understand discrete energy levels of hydrogen atom and spectral lines
g) Use the relation = hf = (E1 -E2 . h) Describe the production of X-rays and main features of X-rays tube. i) Identify use of X-rays. j) Explain Band Theory and its terms valence band, conduction band and forbidden band.
MCQ's Test For MDCAT Physics Chapter 12 Atomic spectra MCQ's Test
Try The MCQ's Test For MDCAT Physics Chapter 12 Atomic spectra MCQ's Test
MDCAT Physics Chapter 12 Atomic spectra MCQ's Test
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Question # 1
The momentum of the moving photon is:
Question # 2
What will be the number of photons emitted per second by 25 W source of monochromatic light of wavelength 600 nm:
Question # 3
The shortest wavelength of X-rays emitted from an X-rays tube depends on the:
Question # 4
The frequency and work function of an incident photon are n and𝝋𝟎. If f0 is the threshold frequency, then necessary condition for the emission of photo electron is:
Question # 5
Temperature of black body radiating at 270c is increased to 327oc, then emittedenergywill increase by
Question # 6
The potential difference applied to an X-rays tube is increased. As a result, in the emitted radiation
Question # 7
As the intensity of incident light increases:
Question # 8
In electron microscope, we use high speed electrons because them
Question # 9
In photo electric cell, the photo electric current
Question # 10
A photo cell receives light from a source at 50 cm away and produces 40mAcurrent inthe circuit. When the same source at is at distance 1 m from photo cell,current in the circuit will be
Question # 11
According to Bohr’s theory, a line in the Ballmer series arises when the electron jumps from any of the higher orbits to the orbit with quantum number:
Question # 12
The maximum energy of the electrons released in a photo cell is independent of:
Question # 13
If an electron is accelerated such that its K.E is 4 times of its rest mass energythen thetotal relativistic energy of electrons is about
Question # 14
An electron in the n=1 orbit hydrogen atom is bound by 13.6 eV. If a hydrogen atom is in the n=3 state, how much energy is required to ionize it:
Question # 15
The Balmer series is found in the spectrum of:
Question # 16
An electron and a proton are accelerated through the same potential. If their masses are me and mp respectively, then the ratio of their de-Broglie wavelength is:
Question # 17
Monochromatic light of wavelength 300 nm is incident normally on a surface of area 4 cm2.
If the intensity of light is 150 mW/m2; the rate at which photon strike the surface:
Question # 18
The de-Broglie wavelength of the particle of mass m and energy E is:
Question # 19
de-Broglie wavelength associated with an electron moving at a speed of 1x106 ms-1 is
Question # 20
The minimum energy required to remove an electron is called:
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