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maria [59]
3 years ago
5

How would the photographer use the polarizing filter to find out the direction of polarization of the light coming from the blue

sky?
Physics
1 answer:
aleksklad [387]3 years ago
5 0

Answer:

by rotating the filter                    

Explanation:

Rayleigh's scattering is given by the process of the scattering of light by molecules. This is very important physical phenomenon. Polarization is also an effect of light scattering.

A photographer wishes to capture photos of some cloud formation by using the polarizing filter. So the photographer will have to rotate the polarizing filter until the intensity of the light becomes maximum such that the light polarization is acts along the axis of the filter.

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Points a and b are nearby a proton in otherwise empty space. the potential is chosen to be zero very far away from the proton. t
sertanlavr [38]

Compared to the electric field energy density at b, the electric field energy density at a is large by a factor of 16.

<h3>What is potential energy?</h3>

The energy of a particle by virtue of its position.

The potential at B = Vb =V

Vb = 1/4π∈₀ x e/r₁ = ke/r₁

V =ke/r₁

and r₁ = ke /V

The potential at A = Va = 2V

2V = ke/r₂

r₂ = ke/2V

The electric field at point B. Eb = ke/r₁²

Substitute the value of r₁, we get

Eb = V²/ke

The electric field at point A , Ea = ke /r₂²

Substitute the value of r₂, we get

Ea = 4V²/ke


The electric field energy density at point A and B,

Ua  = 1/2 ∈Ea²

Ub = 1/2 ∈Eb²

electric field energy density is proportional to the square of electric field at the particular point.

Ua/Ub =(Ea/Eb)²

Substitute the values, we get

Ua/Ub = 16

Thus, compared to the electric field energy density at b, the electric field energy density at a is large by a factor of 16.

Learn more about potential energy.

brainly.com/question/24284560

#SPJ1

3 0
2 years ago
An atom has seven protons, eight neutrons, and six electrons. What type of electrical charge does it possess?
Crank

Answer:

positive

Explanation:

No. of positive charge= 7

No.of negative charge = 6

so 7 - 6 = 1 positive charge

7 0
3 years ago
A pitcher throws a 0.143-kg baseball toward the batter so that it crosses home plate horizontally and has a speed of 42 m/s just
o-na [289]

Answer:

200N appox

Explanation:

Step one:

Given data

mass of ball= 0.143kg

initial velocity of ball u= 42m/s

final velocity of the ball= 49m/s

time of impact= 0.005s

Step two

From the relation Ft=mΔv

we can find the average force as

F=mΔv/t

substitute

F=0.143*(49-42)/0.005

F=0.143*7/0.005

F=1.001/0.005

F=200.2

F= 200N appox

The average force is  200N

5 0
3 years ago
How long does it for a car to cover 100 miles at 60 mi/hr? Use one of the following equations:
yaroslaw [1]

Answer:

Explanation:

r = 60 mph

d = 100 miles

t = ?

t = d/r

t = 100 /60

t = 1 2/3 hour or 1 hour and 40 minutes.

8 0
2 years ago
A boat travels north at a rate of 25.0 kilometers per hour (km/hr) relative to the current of the river. The current of the rive
USPshnik [31]

Answer:yes

Explanation:yes

4 0
3 years ago
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