« previous next »

Author Question: When an atom emits radiation A) an electron moves in precisely one complete orbit around the ... (Read 47 times)

nramada

  • Hero Member
  • *****
  • Posts: 580
on: Jul 29, 2018
When an atom emits radiation
 
  A) an electron moves in precisely one complete orbit around the nucleus.
  B) a photon makes a quantum jump from one quantum state to another.
  C) an electron makes a quantum jump from one quantum state to another.
  D) a proton strikes a neutron to create a photon.
  E) it emits a small portion of its electric charge.

Question 2

A certain fuse blows if the current in it exceeds 1.0 A, at which instant the fuse melts with a current density of 620 A/cm2. What is the diameter of the wire in the fuse?
 
  A) 0.45 mm
  B) 0.63 mm
  C) 0.68 mm
  D) 0.91 mm


mcabuhat

  • Sr. Member
  • ****
  • Posts: 344
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
« previous next »
 

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Manganese helps Deinococcus radiodurans to avoid radiation damage. Manganese helps Deinococcus radiodurans to avoid radiation damage.
An electron micrograph of an E. coli cell An electron micrograph of an E. coli cell
An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution
Radiation Radiation
Sites of action of some respiratory inhibitors and artificial electron acceptors Sites of action of some respiratory inhibitors and artificial electron acceptors
An electron is accelerated from rest through a potential difference. After acceleration the ... An electron is accelerated from rest through a potential difference. After acceleration the ...
Video: Gastrulation: cross section of the frog

For a complete list of videos, visit our video library