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

Author Question: A hypothetical particle has a mass of 510 MeV/c2. If such a particle at rest decays into two ... (Read 197 times)

meagbuch

  • Hero Member
  • *****
  • Posts: 568
on: Jul 29, 2018
A hypothetical particle has a mass of 510 MeV/c2. If such a particle at rest decays into two gamma-ray photons, what is the wavelength of each photon?
 
  (1 eV = 1.60  10-19 J, c = 3.00  108 m/s, h = 6.626  10-34 J s)

Question 2

A nearsighted person has a far point that is 4.2 m from his eyes. What focal length lenses must he use in his contact lenses to allow him to focus on very distant mountains?
 
  A) -4.8 m B) -5.2 m C) 4.2 m D) -4.2 m E) 5.2 m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bhavsar

  • Sr. Member
  • ****
  • Posts: 351
Reply #1 on: Jul 29, 2018
Answer to Question 1

4.87  10-15 m

Answer to Question 2

D


meagbuch

  • Hero Member
  • *****
  • Posts: 568
Reply #2 on: Jul 29, 2018
TY


bhavsar

  • Sr. Member
  • ****
  • Posts: 351
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

An “Intermediate-Mass” Black Hole An “Intermediate-Mass” Black Hole
The mass media not only reflect gender stereotypes but they also play a role in changing them. ... The mass media not only reflect gender stereotypes but they also play a role in changing them. ...
Calculation of body mass index. To determine your BMI, find the value for your height on the left ... Calculation of body mass index. To determine your BMI, find the value for your height on the left ...
Mass spectrometry (MS) for Mass, Sequence, and Amino Acid Analyses of Purified Proteins Mass spectrometry (MS) for Mass, Sequence, and Amino Acid Analyses of Purified Proteins
A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ... A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ...
Hypothetical segregation of three pairs of chromosomes in meiosis I Hypothetical segregation of three pairs of chromosomes in meiosis I
Video: Ventilation - phases and driving forces

For a complete list of videos, visit our video library