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Question
The resolving power of a diffraction grating is defined by 
are:
A) any two wavelengths
B) any two wavelengths that are nearly the same
C) two wavelengths for which lines of the same order are separated by 
radians
D) two wavelengths for which lines of the same order are separated by 2radians
E) two wavelengths for which lines of the same order are separated by half the width of a maximum
Answer
This answer is hidden. It contains 1 characters.
Related questions
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The intensity of the microwave background radiation, a remnant of the big bang:
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B) is least in directions toward the center of the galaxy
C) is proportional to the reciprocal of the distance from us
D) is proportional to the square of the distance from us
E) is nearly the same in all directions
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Any meson is a combination of:
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Quarks are the constituents of:
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Q:
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Two baryons interact to produce pions only, the original baryons disappearing. One of the baryons must have been:
A) a proton
B) an omega minus
C) a sigma
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Q:
A neutral lepton cannot decay into two neutrinos. Of the following conservation laws, which would be violated if it did?
A) Energy
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Q:
An electron participates in:
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Q:
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A) photon
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C) neutrino
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A particle with spin angular momentum is called a:A) leptonB) hadronC) fermionD) bosonE) electron
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The microwave background radiation is a result of the big bang. The big bang also resulted in a uniform distribution of background:
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Compared to fusion in a tokamak, laser fusion makes use of:
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B) greater particle number densities
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D) higher temperatures
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Q:
For a controlled nuclear fusion reaction, one needs:
A) high number density nand high temperature T
B) high number density nand low temperatureT
C) low number density nand high temperature T
D) low number density nand low temperature T
E) high number density nand temperature T = 0 K
Q:
The first step of the proton-proton cycle is:
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Nuclear fusion in the Sun is increasing its supply of:
A) hydrogen
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Q:
The purpose of a moderator in a nuclear reactor is to:
A) provide neutrons for the fission process
B) slow down fast neutrons to increase the probability of capture by uranium
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Q:
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The energy supplied by a thermal neutron in a fission event is essentially its:
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When 236U fissions the fragments are:
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Q:
A certain nucleus, after absorbing a neutron, emits a and then splits into two alpha particles. The (A, Z) of the original nucleus must have been:A) 6, 2B) 6, 3C) 7, 2D) 7, 3E) 8, 4
Q:
Radioactive polonium, 214Po (Z= 84), decays by alpha emission to:
A) 214Po (Z= 84)
B) 210Pb (Z= 82)
C) 214At (Z= 85)
D) 218Po (Z= 84)
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Q:
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Q:
Bombardment of 28Si (Z= 14) with alpha particles may produce:
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B) hydrogen and 32S (Z= 16)
C) a deuteron and 27Al (Z= 13)
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E) 35Cl (Z= 17)