« previous next »

Author Question: What was discovered in atomic spectra by physics pioneers Balmer, Rydberg, and Ritz? A) ... (Read 69 times)

Yi-Chen

  • Hero Member
  • *****
  • Posts: 550
on: Jul 29, 2018
What was discovered in atomic spectra by physics pioneers Balmer, Rydberg, and Ritz?
 
  A) unexplained randomness
  B) mathematical order
  C) all atoms are about the same size
  D) electrons occupy well-defined shells about the atomic nucleus
  E) electrons behave as standing waves

Question 2

The magnetic field at a certain distance from a wire carrying 2-A current is 4 T. What will be the magnetic field if the current in the wire is doubled?
 
  A) 2 T
  B) 4 T
  C) 6 T
  D) 8 T
  E) 10 T


ttt030911

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

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

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

The Taung Child, the first of the australopithecines to be discovered, is the type specimen for Aust The Taung Child, the first of the australopithecines to be discovered, is the type specimen for Aust
Atomic Number and Mass Number Atomic Number and Mass Number
What atomic or hybrid orbital on P make up the sigma bond between P and Cl in phosphorous ... What atomic or hybrid orbital on P make up the sigma bond between P and Cl in phosphorous ...
Physics Physics
Physics Physics
Physics Physics
Video: How Hemoglobin Picks Up and Delivers Oxygen

For a complete list of videos, visit our video library