Physics

Ok so I think I have this correct, but I'm not sure.

The question is: what is the frequency of green light, which has a wavelength of 4.90 x 10 ^-7 m?

Since all electromagnetic waves travel at
3.00 x 10^8 m/s (c), and
c= wavelength x frequency,

The problem is:
(3.00 x 10^8) / (4.90 x 10^-7) = frequency

Right?

I got .61 x 10^15 as a result.

Is this right?

  1. 👍 0
  2. 👎 0
  3. 👁 74
asked by Olivia
  1. Yes, but I would put it in scientific notation 6.1 x 10^14 hz

    1. 👍 0
    2. 👎 0
    posted by bobpursley
  2. In addition to putting it in scientific notation as Bob Pursley suggested, I would add another place. You have three significant figures in 4.90 and 3 s.f. in 3.00; therefore, you are allowed 3 in the answer or 6.12 x 10^14 Hz.

    1. 👍 0
    2. 👎 0
    posted by DrBob222

Respond to this Question

First Name

Your Response

Similar Questions

  1. Computer (C)

    I need help with c programming, i need to fill in the code and I got these (need help with question 4), I run the grader and I only got question 1 right. grader code: gcc worksheet.c; ./a.out 0; if [ $? -eq 0 ] then echo 'Question

    asked by Kevin on February 1, 2013
  2. 5th grade social studies

    Question: What time period or movement began in the textile industry? I am really confused about this questions. My answer was the time period of the 18th century. Is this correct? Question: What is an economic system based on

    asked by Lina on October 26, 2010
  3. Statistics

    On a very short quiz, there is one multiple choice question with 5 possible choices (a, b, c, d, e) and one true or false question. Assume you are taking the quiz but do not have any idea what the correct answer is to either

    asked by Cassie on July 8, 2011
  4. American History

    The reason that the President is called the Commander-in-Chief in the Constitution is because the Framers wanted ***to provide the President with authority over the secretary of defense. Question 2. Question : Thomas Jefferson

    asked by POL201 on April 6, 2015
  5. Statistical concept 68-95-99.7

    1. A student taking a midterm exam in Ancient History comes to two questions pertaining to a lecture that he missed, and so he decides to take a random guess on both questions. One question is true-false and the other is multiple

    asked by Surpreet Pororsha on April 21, 2016
  6. Stat HW for.

    1. A student taking a midterm exam in Ancient History comes to two questions pertaining to a lecture that he missed, and so he decides to take a random guess on both questions. One question is true-false and the other is multiple

    asked by Jen N. on April 21, 2016
  7. English

    Posted by rfvv on Sunday, April 10, 2011 at 9:51pm. He asked me a question. He asked a question of me. He begged me a question. He begged a question of me. He inquired me a question. He inquired me of a question. (Are the pairs

    asked by rfvv on September 24, 2015
  8. English

    Question 7 Which of the following is correct? Streets in Pittsburgh streets in Pittsburgh sts. in Pittsburgh aves. in Pittsburgh Question 8 5 points Save Which of the following is the correct form to use in a sentence? 25 pct. 25

    asked by christopher on April 25, 2010
  9. English

    Question 12 Which of the following is correct? i.e. I.E. ie IE Question 13 Which of the following is incorrect? 16,500 four dollars in his 30s the nineteenth century Question 14 Which of the following is the correct usage of a

    asked by christopher on April 25, 2010
  10. Math

    A multiple choice quiz contains five question. Each question has four answer choices. Michael is not prepared for the quiz and decides to guess for each question. What is the probability that Michael will get at least one question

    asked by Ashley on April 29, 2013
  11. *****Help Statistic

    Imagine taking a 10-question true or false exam. You randomly guess at each question. Don't do any calculations, just tell me your first impressions a). Is this a binomial setting? b) How many question do you think you would get

    asked by Helen on March 26, 2014

More Similar Questions