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SCORPION-xisa [38]
3 years ago
6

When blue light of wavelength 470 falls on a single slit, the first dark bands on either side of center are separated by 45.0. d

etermine the width of the slit
Physics
1 answer:
enyata [817]3 years ago
3 0
For Fraunhofer diffraction at a single slit would be represented by: 

<span>a sinθ = mλ 

</span><span>It should be noted that the angle needs be halved because we are only concerned with the angle between m=1 and m=0 and they gave you the angle between m=1 to the right of the center and m=1 on the left of the center. We calculate as follows:
</span>
<span>a sin(45/2)=(1)(470)
a = 1228 nm 

Hope this answers the question. Have a nice day.
</span>
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Pascal's Principle states that (a) If we apply pressure to a fluid in a sealed container, the pressure will be felt undiminished
nika2105 [10]

Answer:

a) If we apply pressure to a fluid in a sealed container, the pressure will be felt undiminished at every point in the fluid and on the walls of the container.

Explanation:

Pascal´s Principle can be applied in the hydraulic press:

If we apply a small force (F1) on a small area piston A1, then, a pressure (P) is generated that is transmitted equally to all the particles of the liquid until it reaches a larger area piston and therefore a force (F2) can be exerted that is proportional to the area(A2) of the piston.

P=F/A

P1=P2

F1/ A1= F2/ A2

F2= F1* A2/ A1

The pressure acting on one side is transmitted to all the molecules of the liquid because the liquid is incompressible.

In an incompressible liquid, the volume and amount of mass does not vary when pressure is applied.

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3 years ago
Why don't the two forces in Newton's third law cancel each other? They act in the same direction. They are different kinds of fo
pogonyaev

Answer:They act on different bodies

Explanation:

Newton's third law of motion states that for every action there is equal and opposite reaction i.e. action and reaction. Though action and reaction are equal they act in different bodies that is why they do not cancel out each other.

For example, a block of mass m placed over the table exerts a force of mg to the table while the table applies a Normal reaction of equal magnitude as of mg to the block of mass m.

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The force required to maintain an object at a constant velocity in free space is equal to
alex41 [277]

Answer:

The force required to maintain an object at a constant velocity in free space is equal to Zero.

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What is the change in direction of a wave that occurs when the wave changes speed when moving from one medium to another?
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Maybe A makes more sense to me I guess
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Una carga de 4 nC es transportada desde el suelo hasta la superficie de una esfera cargada con un trabajo de 7 X 10-5 j. Determi
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Respuesta:

2 × 10⁴ V

Explicación:

Paso 1: Información provista

  • Carga transportada (q): 4 nC
  • Trabajo realizado (W): 7 × 10⁻⁵ J

Paso 2: Convertir q a Coulomb

Usaremos el factor de conversión 1 C = 10⁹ nC.

4 nC × 1 C/10⁹ nC = 4 × 10⁻⁹ C

Paso 3: Calcular el potencial eléctrico (V) de la esfera

Usaremos la siguiente fórmula.

V = W/q

V = 7 × 10⁻⁵ J/4 × 10⁻⁹ C = 2 × 10⁴ V

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