« previous next »

Author Question: When you decrease, by a factor of two, the wavelength of the light causing photoelectrons to be ... (Read 75 times)

kaid0807

  • Hero Member
  • *****
  • Posts: 515
on: Jul 29, 2018
When you decrease, by a factor of two, the wavelength of the light causing photoelectrons to be emitted from a metal surface, the kinetic energy of the photoelectrons will
 
  A) decrease by a factor of 2.
  B) double
  C) more than double.
  D) increase by a factor of .
  E) decrease by a factor of .

Question 2

If a woman weighs 125 lb, her mass expressed in kilograms is x kg, where x is
 
  A) less than 125.
  B) greater than 125.


yuyiding

  • Sr. Member
  • ****
  • Posts: 357
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

kaid0807

  • Hero Member
  • *****
  • Posts: 515
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


yuyiding

  • Sr. Member
  • ****
  • Posts: 357
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

The epidermal growth factor (EGF) pathway that promotes cell division The epidermal growth factor (EGF) pathway that promotes cell division
Polyploidy has been an important factor in the evolution of plants. Polyploidy has been an important factor in the evolution of plants.
Formation of disease-causing amyloid fibrils Formation of disease-causing amyloid fibrils
How to factor a perfect square trinomial How to factor a perfect square trinomial
A laser emits a pulse of light that lasts 10 ns. The light has a wavelength of 690 nm, and each ... A laser emits a pulse of light that lasts 10 ns. The light has a wavelength of 690 nm, and each ...
Age is the leading risk factor for cancer Age is the leading risk factor for cancer
Video: Glomerular filtrate rate: pressures that affect GFR, NFP & GFR and blood composition

For a complete list of videos, visit our video library