1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
trapecia [35]
3 years ago
9

The laser in a compact disc (cd) player uses light with a wavelength of 715 nm. what is the frequency of this light?

Computers and Technology
1 answer:
oee [108]3 years ago
6 0
In order to get the frequency of this light you have to d<span>ivide the speed of light by the wavelength. 
The formula: </span>F = c / w<span>
Set the values in the appropriate form:</span>740nm = 7.40e-9m


Solution: 
3.00e8m/s : 7.40e-9m &#10;&#10;&#10;F = 6.38e16Hz
The answer:  = 63.8PHz
You might be interested in
Given a PrintWriter reference variable named output that references a PrintWriter object, write a statement that writes the stri
Nadya [2.5K]

Answer:

A PrintWriter reference variable named output that references a PrintWriter object is as follows:

//PrintWriter output = new PrintWriter(outfile);

PrintWriter output = new PrintWriter("output.txt");

The statement that writes the string "Hello World" to the file output is as follows:

//output.print(message)

output.print("Hello World");

Explanation:

4 0
4 years ago
Justine was interested in learning how to play the piano. Before she was allowed to even play the piano, she has had to learn
Setler [38]

Answer:

A

Explanation:

The answer is A because, to be novice at something that means one is new to and is inexperienced at said activity.

3 0
3 years ago
Read 2 more answers
Type the correct answer in each box. Spell all words correctly. Programmers utilize to convert a program from language, which is
natulia [17]

Answer: Binary

Explanation: Binary is a system of 1s and 0s that tell the system when and where to flip a digital switch very fast

3 0
3 years ago
Which of the applications below is designed to help a user bypass enforced web filtering policies?
Tanya [424]
New versions of opera comes with built in VPN
7 0
3 years ago
What are pixels that are the exact same between multiple friends called
erastova [34]

Answer:

The answer is temporal redundancy

Explanation:

Computer Definition. Pixels in two video frames that have the same values in the same location. Exploiting temporal redundancy is one of the primary techniques in video compression (see interframe coding). Contrast with spatial redundancy.

7 0
3 years ago
Other questions:
  • Write a java program called allDigitsOdd that returns whether every digit of a positive integer is odd. Return true if the numbe
    6·1 answer
  • A benefit of IPsec is __________.
    8·1 answer
  • What statement needs to be included below to retrieve all rows from the Invoices table with InvoiceTotal greater than 100?
    9·1 answer
  • A user reports that he can't connect to a specific website. you go to the user's computer and reproduce the problem. what should
    11·1 answer
  • A color tv uses red, green, and blue phosphors to produce the colors that we see. in printing, however, we use magenta, yellow,
    10·1 answer
  • An Internet connection problem for customers is found to be outside a carrier's regional office. As a result, which area needs t
    9·1 answer
  • In Windows applications, a ____ control is commonly used to perform an immediate action when clicked.a. text boxb. buttonc. wind
    7·1 answer
  • The private field, which is known as the property‘s __________, holds any data that is assigned to the property.a. private datab.
    9·1 answer
  • Assembly language program wich indetify largest number from the five elements 51,44,67,30,99​
    13·1 answer
  • Complete the AscendingAndDescending application so that it asks a user to enter three integers. Display them in ascending and de
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!