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

Author Question: Does a radioactive isotope ever lose its radioactivity? A) yes B) no C) sometimes D) ... (Read 9 times)

jhjkgdfhk

  • Hero Member
  • *****
  • Posts: 569
on: Jul 29, 2018
Does a radioactive isotope ever lose its radioactivity?
 
  A) yes
  B) no
  C) sometimes
  D) usually

Question 2

In a two-slit experiment using coherent light, the distance between the slits and the screen is 1.10 m, and the distance between the slits is 0.0400 mm.
 
  If the second order bright fringe is measured to be 4.20 cm from the centerline on the screen, what is the wavelength of light?
  A) 200 nm
  B) 381 nm
  C) 401 nm
  D) 620 nm
  E) 763 nm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

quynhmickitran

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

E


jhjkgdfhk

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Jul 29, 2018
Thanks


quynhmickitran

  • Sr. Member
  • ****
  • Posts: 330
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

(b) during dry periods they lose their leaves and blossoms. (b) during dry periods they lose their leaves and blossoms.
Isotopes may be stable or radioactive depending on the arrangement and number of neutrons in the nuc Isotopes may be stable or radioactive depending on the arrangement and number of neutrons in the nuc
The inverse-square law and its effects. Doubling your distance away from a radioactive material ... The inverse-square law and its effects. Doubling your distance away from a radioactive material ...
Radioactive waste Radioactive waste
Types of Radioactive Decay Types of Radioactive Decay
People with Huntington disease develop problems with neuromuscular control and gradually lose the us People with Huntington disease develop problems with neuromuscular control and gradually lose the us
Video: PET Scan Animation

For a complete list of videos, visit our video library