2. A laser pointer used in the classroom emits light at 6550 A, at a power...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
2. A laser pointer used in the classroom emits light at 6550 A, at a power of 4.00 mW. (One watt is the SI unit of power, the measure of energy per unit of time. 1 W = 1 J/s). How many photons are emitted from the pointer in 115 seconds? 2. A laser pointer used in the classroom emits light at 6550 A, at a power of 4.00 mW. (One watt is the SI unit of power, the measure of energy per unit of time. 1 W = 1 J/s). How many photons are emitted from the pointer in 115 seconds?
Expert Answer:
Answer rating: 100% (QA)
The wavelength of emitted light from Lazer 6550A Power of the Lazer pointer 400 mW now the energy ... View the full answer
Related Book For
Posted Date:
Students also viewed these chemistry questions
-
A laser pointer used in a lecture hall emits light at 650 nm. What is the frequency of this radiation? Using Figure 6.4, predict the color associated with this wavelength. Wavelength (m)- 10-9 10-11...
-
(a) How many photons are emitted per second by a He-Ne laser that emits 2.2 mW of power at a wavelength ( = 632.8 nm? (b) What is the frequency of the electromagnetic waves emitted by a He-Ne laser?
-
How many photons are produced in a laser pulse of 0.897 J at 583 nm?
-
QUESTION 2 A non-symmetrical rigid jointed portal frame ABCD is fixed at A and D. It carries a trapezoidal distributed load acts along beam BC as illustrated in Figure Q2. The frame was constructed...
-
The velocity graph of a braking car is shown. Use it to estimate the distance traveled by the car while the brakes are applied. (ft/s) 60 40 20 0 4 6 (seconds)
-
What percentage change in initial investment would cause the project to WILEY \(\oplus\) become unattractive? a. -10 b. +20 c. \(+1,000\) d. Cannot be determined from the information given
-
Two identical fans were tested for motor inrush current. One motor would trip after taking too long to achieve full speed, whereas the other motor exhibited no issues. See below: Current inrush on...
-
LIFT Inc. manufactures garage doors for homes. The standard quantity of direct labor to manufacture a door is 4.5 hours. The standard hourly wage in this department is $12.50 per hour. During August,...
-
Pina Colada Company buys merchandise on account from Pina Colada Corp.. The selling price of the goods is $1,350, and the cost of the goods is $950. Both companies use perpetual inventory systems....
-
Illustrate how fine-line inventory classification can be used with product and market segments. What are the benefits and considerations when classifying inventory by product, market, and...
-
Sean has taken over his fathers home loans business, Auzzie Loans Pty Ltd. There are three directors (Sean and his parents), who are also members of the company. When the global financial crisis hit,...
-
Write a paper on the famous Tower of Hanoi problem.
-
Find out how to configure an HTTP server so as to eliminate the 404 not found message and have a default (and hopefully friendlier) message returned instead. Decide if such a feature is part of the...
-
Find the numerical value of each expression in Problems 6-10. \({ }_{12} P_{0}\)
-
Video applications typically run over UDP rather than TCP because they cannot tolerate retransmission delays. However, this means video applications are not constrained by TCPs congestion control...
-
What is the impact of the social discount rate on the projects viability? Does a high discount rate favour projects with benefits accruing early or later in the time horizon?
-
Write a program which calculates the number of wallpaper rolls needed to decorate a room. Consider that scraps are not used (e.g., if a wallpaper roll is 10m long and you need strips 3m long, you get...
-
It is possible to investigate the thermo chemical properties of hydrocarbons with molecular modeling methods. (a) Use electronic structure software to predict cHo values for the alkanes methane...
-
How many 23-W light-bulbs can be connected in parallel across a potential difference of 92 V before the total current in the circuit exceeds 3.0 A?
-
A concave mirror produces a virtual image that is three times as tall as the object. (a) If the object is 16 cm in front of the mirror, what is the image distance? (b) What is the focal length of...
-
Suppose the air passages in a certain P. walkeri crest produce a bent tube 2.7 m long. What is the fundamental frequency of this tube, assuming the bend has no effect on the frequency? (For...
-
With reference to Example 2, Chapter 2, test that the mean copper content is the same for both heats. Data From Example 2 Data From Figure 3.2 EXAMPLE 2 Relation of regions in Venn diagrams to events...
-
With reference to Example 8, find a \(90 \%\) confidence interval for the difference of mean strengths of the alloys (a) using the pooled procedure; (b) using the large samples procedure. Data From...
-
With reference to part (a) of Exercise 8.33, how would you pair and then randomize for a paired test? Data From Exercise 8.33 8.33 How would you randomize, for a two sample test, in each of the...
Study smarter with the SolutionInn App