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

Author Question: The current definition of the standard second of time is based on A) the frequency of radiation ... (Read 24 times)

fox

  • Hero Member
  • *****
  • Posts: 540
on: Jul 29, 2018
The current definition of the standard second of time is based on
 
  A) the frequency of radiation emitted by cesium atoms.
  B) the earth's rotation rate.
  C) the duration of one year.
  D) the oscillation of a particular pendulum kept in France.

Question 2

The current definition of the standard meter of length is based on
 
  A) the distance between the earth's equator and north pole.
  B) the distance between the earth and the sun.
  C) the distance traveled by light in a vacuum.
  D) the length of a particular object kept in France.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bitingbit

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

C


fox

  • Member
  • Posts: 540
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

Viet Thy

  • Member
  • Posts: 329
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

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.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

The nurse is using Standard Precautions to draw blood. The nurse is using Standard Precautions to draw blood.
Ionizing Radiation Ionizing Radiation
Organization of Spatial Frequency Organization of Spatial Frequency
The Atmosphere Screens Earth from Harmful Solar Radiation The Atmosphere Screens Earth from Harmful Solar Radiation
Standard reduction potentials of the major respiratory electron carriers Standard reduction potentials of the major respiratory electron carriers
The relationship between maternal age and the frequency of trisomy 21 (Down syndrome). The risk incr The relationship between maternal age and the frequency of trisomy 21 (Down syndrome). The risk incr
Video: Types of Shock (Part 2 of 2)

For a complete list of videos, visit our video library