This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Bree dips a pair of prongs onto a water surface and produces waves. When she dips more frequently ... (Read 62 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
on: Jul 29, 2018
Bree dips a pair of prongs onto a water surface and produces waves. When she dips more frequently the resulting waves
 
  A) have shorter wavelengths.
  B) remain the same in wavelength.
  C) have longer wavelengths.
  D) move faster.
  E) none of the above

Question 2

What is the longest wavelength of electromagnetic radiation that will eject photoelectrons from sodium metal for which the work function is 2.28 eV?
 
  (c = 3.00  108 m/s, h = 6.626  10-34 J  s, 1 eV = 1.60  10-19 J)
  A) 580 nm
  B) 499 nm
  C) 633 nm
  D) 668 nm
  E) 545 nm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Perkypinki

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

E


krzymel

  • Member
  • Posts: 548
Reply 2 on: Jul 29, 2018
Gracias!

ecabral0

  • Member
  • Posts: 310
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

From space earth shows itself as a planet covered mostly by water. From space earth shows itself as a planet covered mostly by water.
Water's Covalent Bonds Are Polar Water's Covalent Bonds Are Polar
Pair Production and Annihilation Pair Production and Annihilation
viable surface sampling by swab viable surface sampling by swab
Better land and water management and appropriate crop selection can help eliminate hunger Better land and water management and appropriate crop selection can help eliminate hunger
A container in the shape of a right circular cylinder with no top has surface area square feet. A container in the shape of a right circular cylinder with no top has surface area square feet.
Video: Red Blood Cells - Erythropoietin (EPO)

For a complete list of videos, visit our video library