Explanation:
In Single Slit Experiment:
The width of the central diffraction maximum is inversely proportional to the width of the slit.
Therefore, if we make the slit width smaller, the angle T(representing the angle between the wave ray to a point on the screen and the normal line between the slit and the screen) increases, giving a wider central band.
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Answer:
Part a)
Part b)
Part c)
Explanation:
Part a)
As per energy conservation we can say
Energy stored in spring 1 = energy stored in spring 2
now we have
now from above equation
Part b)
To find the speed of the block we can say that its kinetic energy is gained due to spring energy
so we have
now we have
Part c)
When friction is present between two springs then we have energy loss due to friction force
so we have
now we have
Answer:
P = 3.92 10¹⁰ W
Explanation:
The power is data by the expression
P = W / t
the work of a force is
W = F. y
the bold ones represent vectors. In this case the displacement is vertical upwards and the vertical forces upwards, therefore the angle is zero and the cos 0 = 1
W = F y
we substitute
P = F y / t
P = F v
as the body rises at constant speed the acceleration is zero and from the equilibrium condition
F -W = 0
F = mg
we substitute
P = m g v
let's calculate
P 1.00 10⁹ 9.8 4
P = 3.92 10¹⁰ W
Answer: ...frequencies of electromagnetic radiation emitted due to an atom or molecule making a transition from a high energy state to a lower energy state