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2 years ago

Differentiate between refraction of light and reflection of light

2 answers:

5 0

Reflection is the bouncing back of light when it strikes the smooth surface. Refraction is the bending of light when it travels from one medium to another .

lapo4ka [179]2 years ago

3 0

Refraction represents a change in the direction of propagation when beams of light encounter a medium with a different density.

Reflection is the return of light to the medium it came from when it encounters a mirror.

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Web beacons are tiny, invisible software programs hidden in email messages and web pages that are used to track and report a use

Umnica [9.8K]

Answer:

The answer is "True".

Explanation:

The web beacons are one of the different techniques, that are used on web pages and emails, to check whether a user has access to some unobtrusively. It is a line, that is often invisible, and typically does not exceed 1 pixel.

It is usually used with cookies.
It is also known as a small graph, which generates a request to the server for tracking service.

7 0

3 years ago

How to add a while loop? here's my code

Jet001 [13]

To add while loop in python language, the use of syntax is to be brought into the effect.

<h3>What is a while loop?</h3>

A while loop can be referred to as an expression of code-blocks being true to their cores. Until the blocks of the code are not proved to be true, the loop continues.

In order to add such while loop to your code, one needs to use the syntax function in python to prove the true and correctness of the code blocks.

Hence, the procedure to add while loop has been aforementioned.

Learn more about a while loop here:

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2 years ago

Which method is useful for dimensionality reduction especially for small data-sets?

Anna [14]

Independent Component Analysis (ICA) is based on information-theory and is also one of the most widely used dimensionality reduction techniques.

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2 years ago

Mel is a research scientist at a health sciences center. His job requires him to analyze large amounts of data in short periods

blondinia [14]

In the case above, Mel needs a desktop computer with a fast processor.

<h3>What is data for a computer?</h3>

Computer data is known to be a form of information processed or saved by a computer. This information is saved as text documents, images, audio clips, software programs and others.

Hence due to the volume of work and in In the case above, Mel needs a desktop computer with a fast processor.

See options below

Mel is a research scientist at a health sciences center. His job requires him to analyze large amounts of data in short periods of time.

Select the best computer for Mel.



A handheld tablet computer



A desktop computer with two screens



A desktop computer with a fast processor



A portable laptop computer

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2 years ago

Write the corresponding Python expression of the following mathematical expression.<br> 2π

Lady bird [3.3K]

Answer:

The code:

# Import math Library

import math

# Print the value of 2pi

print (math.pi * 2) ## output would be: 6.28318530718

Explanation:

6 0

3 years ago