The wave nature of electrons was EXPERIMENTALLY verified by: w) Einstein x) Davisson and Germer y) Balmer z) Bohr.

The wave nature of electrons was EXPERIMENTALLY verified by: w) Einstein x) Davisson and Germer y) Balmer z) Bohr.
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ANSWER: X -- DAVISSON AND GERMER
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de Broglie’s relation for matter waves was experimentally verified by: a) Davisson b) Germer c) G.P. Thomson d) All the these

Description : de Broglie’s relation for matter waves was experimentally verified by: a) Davisson b) Germer c) G.P. Thomson d) All the these

Last Answer : c) G.P. Thomson

The concept of matter waves was introduced by a) Davisson and Germer b) de Broglie c) Einstein d) Schrodinger

Description : The concept of matter waves was introduced by a) Davisson and Germer b) de Broglie c) Einstein d) Schrodinger

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Davisson and Germer scattered electrons from a crystal of nickel. The scattered electrons formed a strong diffraction pattern. What important conclusion was drawn from this experiment?

Description : Davisson and Germer scattered electrons from a crystal of nickel. The scattered electrons formed a strong diffraction pattern. What important conclusion was drawn from this experiment?

Last Answer : ANSWER: ELECTRONS ACTED LIKE WAVES

The idea that electrons revolved in orbits around the nucleus of an atom without radiating energy away from the atom was postulated by: w) Thompson x) Bohr y) Rutherford z) Einstein

Description : The idea that electrons revolved in orbits around the nucleus of an atom without radiating energy away from the atom was postulated by: w) Thompson x) Bohr y) Rutherford z) Einstein

Last Answer : ANSWER: X -- BOHR

The collision between a photon and a free electron was first explained by which of the following scientists? w) Einstein x) Heisenberg y) Compton z) Bohr

Description : The collision between a photon and a free electron was first explained by which of the following scientists? w) Einstein x) Heisenberg y) Compton z) Bohr

Last Answer : ANSWER: Y -- COMPTON

Which of the following scientists explained the photoelectric effect? Was it: w) Einstein x) Planck y) Bohr z) Chadwick

Description : Which of the following scientists explained the photoelectric effect? Was it: w) Einstein x) Planck y) Bohr z) Chadwick

Last Answer : ANSWER: W -- EINSTEIN

For the hydrogen atom, which series describes electron transitions to the N = 2 orbit? Is it the: w) Lyman series x) Paschen series y) Balmer series z) Pfund series

Description : For the hydrogen atom, which series describes electron transitions to the N = 2 orbit? Is it the: w) Lyman series x) Paschen series y) Balmer series z) Pfund series

Last Answer : ANSWER: Y -- BALMER SERIES

For the hydrogen atom, which series describes electron transitions to the N=1 orbit, the lowest energy electron orbit? Is it the: w) Lyman series x) Balmer series y) Paschen series z) Pfund series

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Last Answer : ANSWER: W -- LYMAN SERIES

The value of G, the universal gravitational constant, was measured experimentally by: w) Newton x) Cavendish y) Copernicus z) Kepler

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Which of the following scientists is responsible for the exclusion principle which states that two objects may NOT occupy the same space at the same time? Was it: w) Heisenberg x) Bohr y) Teller z) Pauli

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Which of the following scientists hypothesized that it would be possible for particles to have wave-like properties ? Was it: w) Planck x) Heisenberg y) Einstein z) de Broglie

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Last Answer : ANSWER: Z -- DE BROGLIE

The photoelectric effect is a demonstration of: w) the wave nature of light x) the particle nature of light y) Compton scattering z) the continuous spectrum of radiation

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Diffraction and interference demonstrate which of the following? w) particle nature of light x) wave nature of light y) polarization of light z) refraction of light

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Last Answer : ANSWER: X -- WAVE NATURE OF LIGHT

The wave nature of light is demonstrated by which of the following? w) the photoelectric effect x) color y) the speed of light z) diffraction

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The idea that we CANNOT know both the position and velocity of a subatomic particle at the same time was formulated by: w) Einstein x) Heisenberg y) Fermi z) Schroedinger

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The father of the atomic bomb is: w) Einstein x) Oppenheimer y) Faraday z) Strangelove

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Last Answer : ANSWER: X -- OPPENHEIMER

Albert Einstein received the Nobel prize in physics for his work on: w) gravitation x) relativity y) photoelectric effect z) Brownian motion

Description : Albert Einstein received the Nobel prize in physics for his work on: w) gravitation x) relativity y) photoelectric effect z) Brownian motion

Last Answer : ANSWER: Y -- PHOTOELECTRIC EFFECT

The gravitational constant for the universe was measured by which of the following? w) Kepler x) Einstein y) Newton z) Cavendish

Description : The gravitational constant for the universe was measured by which of the following? w) Kepler x) Einstein y) Newton z) Cavendish 

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My theory of electrolytic dissociation earned me t 1903 Nobel Prize in chemistry. My name is: w) Niels Bohr x) Svante Arrhenius y) Michael Faraday z) John Cavendish

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What are three experiments that verified the predictions of the theory after Einstein propsed it?

Description : What are three experiments that verified the predictions of the theory after Einstein propsed it?

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Who is the founder of quantum theory of radiation ? (1) Einstein (2) Bohr (3) Plank (4) S. N. Bose

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Who is known as the Father of the Atomic Bomb? w) Albert Einstein x) J. Robert Oppenheimer y) General Leslie Groves z) Edward Teller

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The magnitude of the quarks' electric charge is: w) zero. x) greater than the electron's charge. y) equal to the electron's charge. z) less than the electron's charge.

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Photoelectric electricity is produced directly from solar energy when which of the following are absorbed in a semiconductor to create an electric current? w) protons x) electrons y) neutrons z) photons

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A characteristic of the noble gases is that they all: w) have eight electrons in the outer shell x) have low stability y) form many compounds z) have filled outer electron shells

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An element has the following numbers of electrons in its shells: 2-8-8-2. Which of the following is true? The element: w) is a nonmetal x) forms an ion with a charge of +2 y) can accept two electrons z) forms a negative ion

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A high voltage applied to a gas discharge tube containing neon gas at very low pressure causes a current to flow through the tube. Which one of the following are the particles that flow towards the cathode? Are they w) electrons x) protons y) negatively charged neon ions z) positively charged neon ions

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A metal ball on an insulated stand is touched by a positively charged glass rod. What happens to the metal ball? Does it w) gain protons and lose electrons x) gain protons y) gain more protons than electrons z) lose electrons

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In N-type semiconductors the majority of the carriers are: w) holes x) electrons y) protons z) neutrons

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Which one of the following particles travels at the speed of light? w) neutrons x) electrons y) photons z) muons

Description : Which one of the following particles travels at the speed of light? w) neutrons x) electrons y) photons z) muons

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Isotopes of an element have different numbers of: w) electrons x) protons y) neutrons z) leptons

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The photomultiplier tube in the scintillation counter multiplies one of the following. Does it multiply: w) scintillations x) electrons y) ions z) photons

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A P-type semiconductor is doped to produce one of the following. Will it produce: w) both holes and electrons x) positive electrons y) negative electrons z) holes

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The particle nature of light is demonstrated by which of the following? w) the photoelectric effect x) the various colors of light y) the speed of light z) diffraction.

Description : The particle nature of light is demonstrated by which of the following? w) the photoelectric effect x) the various colors of light y) the speed of light z) diffraction.

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For which of the following reasons is plutonium-238 used for generating electricity on spacecraft? w) It is an alpha emitter with long half-life. x) It is a beta emitter with high specific power. y) It occurs abundantly in nature. z) It has low specific power.

Description : For which of the following reasons is plutonium-238 used for generating electricity on spacecraft? w) It is an alpha emitter with long half-life. x) It is a beta emitter with high specific power. y) It occurs abundantly in nature. z) It has low specific power.

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The Grand Unified Theory of the forces of nature combines three of the four forces. Which force is NOT included? w) gravitational x) electromagnetic y) weak nuclear z) strong nuclear

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Last Answer : ANSWER: W -- GRAVITATIONAL

The Michelson interferometer was designed to study the nature of: w) water waves x) sound waves y) an "ether" z) sunlight

Description : The Michelson interferometer was designed to study the nature of: w) water waves x) sound waves y) an "ether" z) sunlight

Last Answer : ANSWER: Y -- AN "ETHER"

The theory which ascribes wave-like properties to particles is called: w) general relativity x) quantum mechanics y) special relativity z) classical mechanics

Description : The theory which ascribes wave-like properties to particles is called: w) general relativity x) quantum mechanics y) special relativity z) classical mechanics

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What is the wavelength in millimeters of a sound wave whose frequency is 35 KILOHERTZ. Assume the speed of sound is 350 METERS PER SECOND? w) 100 millimeters x) 1,000 millimeters y) 10 millimeters z) 1/10 millimeters

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What is a typical wavelength of an AM radio wave? w) 3000 meters x) 300 meters y) 30 meters z) 3 meters

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Of the following, the type of wave that CANNOT be polarized is w) electromagnetic x) light y) sound z) radio

Description : Of the following, the type of wave that CANNOT be polarized is w) electromagnetic x) light y) sound z) radio

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For an electromagnetic wave traveling in a vacuum, if the magnitude of the intensity of the E field is zero, the magnitude of the intensity of the B field is: w) zero x) a negative maximum y) a positive maximum z) the square root of 2 times the positive maximum

Description : For an electromagnetic wave traveling in a vacuum, if the magnitude of the intensity of the E field is zero, the magnitude of the intensity of the B field is: w) zero x) a negative maximum y) a positive maximum z) the square root of 2 times the positive maximum

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An electromagnetic wave is ALWAYS: w) longitudinal x) polarized y) spherical z) transverse.

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A wave and its reflection produce a standing wave with the distance from NODE to nearest ANTINODE of 4 meters. The wavelength of this wave is: w) 4 meters x) 8 meters y) 12 meters z) 16 meters

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