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zzz [600]
3 years ago
15

When passing from a low index of refraction medium to a high index of refraction medium which way does the refracted ray bend: t

oward the normal or away? Explain.
Physics
1 answer:
Vaselesa [24]3 years ago
6 0

Answer:

toward the normal

Explanation:

Light travels at different speed in different mediums.

Refractive index is equal to velocity of the light 'c' in empty space divided by the velocity 'v' in the substance.

Or ,

n = c/v.

Light travels at a slower speed in water as compared to air because there are more number of interfering molecules in the path of the light in case of water as compared to liquid.  

When a light travels from lower denser medium say water to higher denser medium say water, it bends towards the perpendicular (normal) as its speed reduces in that medium.

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<h2>Answer:</h2>

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According to Ohm's law

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R= V / I

Here we can see that Voltage is directly proportional to Resistance so in order to keep the balance if we increase the resistance then we must increase the voltage to keep the current constant.


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3 years ago
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3 years ago
Study the example and choose the influence on perception. Those computer geeks are all the same. They spend all day playing vide
NISA [10]
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3 years ago
What is the length of 0.005 mm in kilometers?
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4 0
3 years ago
An RLRL circuit with with a 1212-ΩΩ resistor and a 0.06−H0.06−H inductor carries a current of 1A1A at t=0t=0, at which time a vo
tankabanditka [31]

Answer:

The equation of current is I=0.86 cos \left (120 t + \frac{\pi}{2}  \right )

Explanation:

Resistance, R = 12 ohm

Inductance, L = 0.06 H

E (t) = 12 cos (120 t)

Compare with the standard equation,

E=E_{0}cos (2\pi ft)

2\pi ft = 120 t \\\\\\w = 2\pi f = 120 rad/s

So, the inductive reactance is

XL = w L = 120 x 0.06 = 7.2 ohm

The impedance of the circuit is

Z =\sqrt{12^2+7.2^2}\\\\Z = 14 ohm

The current leads  by 90degree so the equation of current is

I=\frac{Eo}{Z} cos \left (120 t + \frac{\pi}{2}  \right )\\\\I=\frac{12}{14} cos \left (120 t + \frac{\pi}{2}  \right )\\\\I=0.86 cos \left (120 t + \frac{\pi}{2}  \right )

4 0
3 years ago
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