3 years ago

true or false refraction occurs when the amplitude of a wave changes as it goes from one medium to aother

Physics

1 answer:

KiRa [710]3 years ago

4 0

The answer here is true

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yes

Explanation:

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3 years ago

What is the speed of a high-speed electron traveling at right angles to a 0.80-tesla magnetic field with a force of -7.5 x 10^-1

serg [7]

Explanation:

Answer:

Magnetic field, B = 0.016 Tesla

Explanation:

It is given that,

Velocity of electron, v=9.6\times 10^5\ m/sv=9.6×10

m/s

Magnetic force, F=2.6\times 10^{-15}\ NF=2.6×10

−15

Charge, q=1.6\times 10^{-19}\ Nq=1.6×10

−19

The magnetic force is given by :

F=qvBF=qvB

B=\dfrac{F}{qv}B=

B=\dfrac{2.6\times 10^{-15}}{1.6\times 10^{-19}\times 9.6\times 10^5}B=

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−19

×9.6×10

2.6×10

−15

B=0.016\ TB=0.016 T

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4 years ago

A 25kg crate is at rest on a floor but is pushed by a force of 60N to the right . If the crate remains at rest, determine the co

Ymorist [56]

Ff=μN=>μ=Ff/N=Ff/mg=60/25*10=6/25=0.24

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4 years ago

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3 years ago

Light rays in a material with index of refrection 1.29 1.29 can undergo total internal reflection when they strike the interface

deff fn [24]

Answer:

The second material's index of refraction is 1.17.

Explanation:

Given that,

Refractive index of the material, n = 1.29

Critical angle is 65.9 degrees.

We need to find the second material's index of refraction. We know that at critical angle of incidence, angle of refraction is equal to 90 degrees. Using Snell's law as:

$n_1\sin \theta_c=n_2\sin (90)\\\\n_2=n_1\sin \theta_c\\\\n_2=1.29\times \sin (65.9)\\\\n_2=1.17$

So, the second material's index of refraction is 1.17.

7 0

3 years ago

true or false refraction occurs when the amplitude of a wave changes as it goes from one medium to aother​

true or false refraction occurs when the amplitude of a wave changes as it goes from one medium to aother