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4 years ago

The radius of an atom is closest in size to a

Physics

2 answers:

ioda4 years ago

8 0

the radius of the entire atom was 0.00000001 cm.

lions [1.4K]4 years ago

3 0

From all the choices available in that question, it's closest in size to the dot over the ' i ' in the words "radius", "is" and "in".

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A thin soap bubble of index of refraction 1.33 is viewed with light of wavelength 550.0nm and appears very bright. Predict a pos

faust18 [17]

Answer:

The possible thickness of the soap bubble = $1.034\times 10^{-7}\ m.$

Explanation:

Given:

Refractive index of the soap bubble, $\mu=1.33.$
Wavelength of the light taken, $\lambda = 550.0\ nm = 550.0\times 10^{-9}\ m.$

Let the thickness of the soap bubble be $t$ .

It is given that the soap bubble appears very bright, it means, there is a constructive interference takes place.

For the constructive interference of light through a thin film ( soap bubble), the condition of constructive interference is given as:

$2\mu t=\left ( m+\dfrac 12 \right )\lambda.$

where $m$ is the order of constructive interference.

Since the soap bubble is appearing very bright, the order should be 0, as $0^{th}$ order interference has maximum intensity.

Thus,

$2\mu t=\left (0+\dfrac 12\right )\lambda\\t=\dfrac{\lambda}{4\mu}\\\ \ = \dfrac{550\times 10^{-9}}{4\times 1.33}\\\ \ = 1.034\times 10^{-7}\ m.$

It is the possible thickness of the soap bubble.

6 0

3 years ago

1. Why do only some people get addicted to drugs?

nasty-shy [4]

Answer: All drugs of abuse trigger a surge of dopamine

Explanation: It creates a rush of “wanting” in the brain. This makes us crave more drugs.

4 0

3 years ago

Read 2 more answers

This question is about magnetisation. I will give brainliest!!

FromTheMoon [43]

Answer:

By seeing by how far away can it attract a paperclip.

Explanation:

6 0

2 years ago

How do you determine the standard error on the slope in a simple harmonic motion graph

elena-14-01-66 [18.8K]

Answer:

by standing on the top of cliff

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3 years ago

A constant force of 40N acting on a body initially at rest gives it an acceleration of 0.1m/s inverse 2 for 4s .calculate the wo

kicyunya [14]

Correct Answer: Option C

Explanation 

X = ut + 12at2

= (0 x 4) + (12 x 0.1 x 4 x 4)

= 0.8m

workdone = force x distance

= 40 x 0.8

= 32J

7 0

3 years ago