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3 years ago

A neutral atom can be negatively charged by???

Physics

1 answer:

IRINA_888 [86]3 years ago

4 0

Answer:

The answer to your question is below.

Explanation:

Atoms are composed by three different subparticles

- protons are small particles positive charged located in the nucleus.

- neutrons are small particles without a charged located in the nucleus.

- electrons are the smallest subparticles and are negatively charged.

In a neutral atom, the amount of positive charges (protons) is equal to the amount of negative charges (electrons) so it does not have any charge.

If a neutral atom gains one or more electrons it would be negative.

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Two polarizers A and B are aligned so that their transmission axes are vertical and horizontal, respectively. A third polarizer

Reptile [31]

Answer:

Explanation:

Let the angle between the first polariser and the second polariser axis is θ.

By using of law of Malus

(a)

Let the intensity of light coming out from the first polariser is I'

$I' = I_{0}Cos^{2}\theta$ .... (1)

Now the angle between the transmission axis of the second and the third polariser is 90 - θ. Let the intensity of light coming out from the third polariser is I''.

By the law of Malus

$I'' = I'Cos^{2}\left ( 90-\theta \right )$

So,

$I'' = I_{0}Cos^{2}\theta Cos^{2}\left ( 90-\theta \right )$

$I'' = I_{0}Cos^{2}\theta Sin^{2}\theta$

$I'' = \frac{I_{0}}{4}Sin^{2}2\theta$

(b)

Now differentiate with respect to θ.

$I'' = \frac{I_{0}}{4}\times 2 \times 2 \times Sin2\theta \times Cos 2\theta$

$I'' = \frac{I_{0}}{2}\times Sin 4\theta$

7 0

3 years ago

Why does the frequency of water increase as the wavelength decreases?

Oliga [24]

Answer:

Wave speed, frequency and wavelength in refraction

Explanation:

The diagram shows that as a wave travels into a denser medium, such as water, it slows down and the wavelength decreases. Although the wave slows down, its frequency remains the same, due to the fact that its wavelength is shorter. Hope this helps :>

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3 years ago

My dog Ubu can run at 21 mi/h. How far can he travel in 40 minutes?

Anna007 [38]

Answer:

Explanation:

21miles/3=7

7*2=14

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3 years ago

The view that time is a scarce resource that must be rationed and controlled through the use of schedules and appointments, and

Diano4ka-milaya [45]

Answer:

Monochronic.

Explanation:

This view is called as Monochronic.

The dictionary definition of Mono-chronic is that Monochronic people just like to do one thing at a time. They respect a certain uniformity and sense of being a suitable place and time for different activities. They don't esteem interruptions. It has been generally observe that their focus and productivity remains higher than the polychronic.( Those we are comfortable with performing multiple task at a time)

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4 years ago

Is a

VikaD [51]

Answer:

I believe the answer is D: Conductor.

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3 years ago