Control rods in a nuclear reactor are used to:
2 answers:
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As we know that total work done by a force is given by
so it is product of force and displacement along same direction
as we can write it as
so it must be the product of force and displacement in same directions so correct answer must be
<u>b. is parallel to the displacement of the object</u>
De Broglie's identity gives the relationship between the momentum and the wavelength of a particle:
where
p is the particle momentum
m is its mass
v its velocity
h is the Planck constant
is the wavelength
By re-arranging the equation, we get
and by using the data about the proton, given in the text, we can find the proton's wavelength:
where
p is the particle momentum
m is its mass
v its velocity
h is the Planck constant
By re-arranging the equation, we get
and by using the data about the proton, given in the text, we can find the proton's wavelength: