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lilavasa [31]
3 years ago
6

Light is reflected from a crystal of table salt with an index of refraction of 1.544. An analyser is placed to intercept the ref

lected ray, and is able to completely absorb the reflected light. What is the angle of incidence?
Physics
1 answer:
Vitek1552 [10]3 years ago
5 0

Answer:

hola me llamo bruno y tu?

Explanation:

pero yo soy de mexico

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Horace has invented a unique pair of reading glasses that have two small light bulbs at the bottom wired in series, so that he c
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Answer:

The current drawn by Horace’s reading glasses is 0.8 A.

Explanation:  

Given that,

Resistance of each bulb, R = 2 ohms

Voltage of the system, V = 3.2 volts

These two bulbs are connected in series. The equivalent resistance will be 2 ohms +2 ohms = 4 ohms

Let I is the current drawn by Horace’s reading glasses. Using Ohm's law to find it such that :

V=IR\\\\I=\dfrac{V}{R}\\\\I=\dfrac{3.2}{4}\\\\I=0.8\ A

So, the current drawn by Horace’s reading glasses is 0.8 A.

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3 years ago
An ideal gas is enclosed in a cylinder that has a movable piston on top. The piston has a mass m and an area A and is free to sl
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Answer:

Explanation:

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also PV_1=nRT_1

PV_2=nRT_2

W=nR\left ( T_2-T_1\right )

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His model was also called the Planetary model
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