How does critical mass play a role in nuclear reactions?It is the minimum amount of material needed to start a fission reaction.
It is the minimum amount of material needed to start a fusion reaction.
It is the minimum amount of material needed to sustain a fission reaction.
It is the minimum amount of material needed to sustain a fusion reaction.
Answers
Answer;
C.It is the minimum amount of material needed to sustain a fission reaction.
Explanation;
-A critical mass is the smallest or the minimum amount of fissile material needed for a sustained nuclear chain reaction. A critical mass must be achieved in order for the chain reaction to continue and release the atomic energy. A critical mass is needed for both a nuclear reactor and an atomic or hydrogen bomb.
-The critical mass of a fissionable material depends upon its nuclear properties (specifically, the nuclear fission cross section), its density, its shape, its enrichment, its purity, its temperature, and its surroundings.
The correct answer for above statement is:
c.It is the minimum amount of material needed to sustain a fission reaction.
Explanation:
A nuclear reaction is taken into account to be the method during which 2 nuclear paticles (two nuclei or a nucleus and a nucleon) move to supply 2 or a lot of nuclear particles or gamma rays.
Thus, a natural action should cause a change of a minimum of one nuclide to a different. typically if a nucleus interacts with another nucleus or particle while not dynamic the mature of any nuclide, the method is mentioned a nuclear scattering.
The important mass is that the smallest amount of fissile material required to sustain nuclear reactions below expressed conditions
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A radio station has a frequency of 90.9 megahertz (9.09 × 10^7 Hz). What is the wavelength of the radiowaves the station emits from its radio tower?
Answers
Answer:
Explanation:
Pressure Exerted by a Column of Liquid
The pressure P exerted by a column of liquid of height h and density ρ is given by the hydrostatic pressure equation:
P = ρgh
Where ρ is the density of the liquid, g is the acceleration of gravity g=9.8m/s^2, and h is the height of the column of liquid.
The data provided is as follows:
The pressure is:
Answers
Hope this helps!
B. If two out-of-phase waves arrive simultaneously at a point, their amplitudes add up.
C. If two in-phase waves arrive at a point one after another, their amplitudes add up.
D. If two out-of-phase waves arrive at a point one after the other, their amplitudes adds up
Answers
Final answer:
The superposition principle states that when two in-phase waves arrive simultaneously at a point, their amplitudes add up.
Explanation:
The correct statement that describes the superposition principle is option A: If two in-phase waves arrive simultaneously at a point, their amplitudes add up. In-phase waves have the same frequency, wavelength, and direction. When two in-phase waves meet, the amplitude of the resultant wave is the sum of the individual amplitudes.
Learn more about superposition principle here:
#SPJ12
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Answer:
Either A or C
Explanation:
there are 2 quizlets with 2 different answers, i don't know, man.
Answers
Answer:
Lift an object
Explanation:
Bar screw jacks are mechanical devices designed to lift heavy objects by applying mechanical advantage. They are commonly used for tasks like lifting vehicles for maintenance or supporting heavy loads in construction and industry.
been transmitted.
bounced off .
been absorbed
Answers
Correct answer choice is :
C) Bounced off
Explanation:
Reflection is the difference in the path of a wavefront at an interface within two various media so that the wavefront returns into the tool from which it began. Current models involve the reflection of light, sound and water waves. Reflection is when light bounces off an object. If the cover is soft and shiny, like glass, water or bright metal, the light will reflect at the same point as it hit the cover.