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Damm [24]
3 years ago
14

Describe one practical application of total internal reflection. ​

Computers and Technology
1 answer:
Delicious77 [7]3 years ago
8 0

Answer:

The phenomenon of total internal reflection of light is used in many optical instruments like telescopes, microscopes, binoculars, spectroscopes, periscopes etc. The brilliance of a diamond is due to total internal reflection. Optical fibre works on the principle of total internal reflection.

Explanation:

thank me later but if it wrong. sorry

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Suppose you are given a sequence that is described by a formula, starting at index n=0. If you need to change the starting index
Arisa [49]

Answer:

n+1

Explanation:

Given

n = 0 --- starting index

Required

Change the starting index to n = 1

We have:

n = 0

To change the starting index to k, we simply rewrite as:

n+k

<em>In this case; k=1; so, the starting index will be: </em>n+1<em />

3 0
3 years ago
The type of operating system best suited to controlling a massive multiplayer online game is _____.
Nina [5.8K]

Answer:

Distributed

Explanation:

5 0
3 years ago
Write the code to produce a for loop that counts down from 20 to 0 by 2’s and prints the number each time it goes through the lo
yulyashka [42]

Explanation:

Count-controlled for loop (Three-expression for loop)

This is by far the most common type. This statement is the one used by C. The header of this kind of for loop consists of a three-parameter loop control expression. Generally it has the form:

for (A; Z; I)

A is the initialisation part, Z determines a termination expression and I is the counting expression, where the loop variable is incremented or dcremented. An example of this kind of loop is the for-loop of the programming language C:

for (i=0; i <= n; i++)

This kind of for loop is not implemented in Python!

Numeric Ranges

This kind of for loop is a simplification of the previous kind. It's a counting or enumerating loop. Starting with a start value and counting up to an end value, like for i = 1 to 100

Python doesn't use this either.

Vectorized for loops

They behave as if all iterations are executed in parallel. This means, for example, that all expressions on the right side of assignment statements get evaluated before the assignments.

Iterator-based for loop

Finally, we come to the one used by Python. This kind of a for loop iterates over an enumeration of a set of items. It is usually characterized by the use of an implicit or explicit iterator. In each iteration step a loop variable is set to a value in a sequence or other data collection. This kind of for loop is known in most Unix and Linux shells and it is the one which is implemented in Python.

Example of a simple for loop in Python:

>>> languages = ["C", "C++", "Perl", "Python"]  

>>> for x in languages:

...     print(x)

...  

C

C++

Perl

Python

>>>

3 0
3 years ago
Write a program that asks the user for three names, then prints the names in reverse order. Sample Run: Please enter three names
Sauron [17]

Solution:

Since no language was specified, this will be written in Python.

n1, n2, n3 = input ("Enter three names: ").split()

print(n3)

print(n2)

print(n1)

Cheers.

4 0
3 years ago
A user called to inform you that the laptop she purchased yesterday is malfunctioning and will not connect to her wireless netwo
kakasveta [241]

Answer:

You can perform the following two steps

Explanation:

  1. Have the user press the appropriate function key combination to enable the wireless radio and then attempt to connect to the wireless network (since by mistake he could have disabled it).
  2. Ask the user to turn on the laptop’s airplane mode and attempt to reconnect to the wireless network (this mode basically what it does is disable adapters and activate it will connect the Wi-Fi network).
7 0
3 years ago
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