Multiple Choice
The meter is presently defined as
A) one ten-millionth of the diameter of Earth.
B) the wavelength of a line in the spectrum of krypton-86.
C) the length of a platinum-iridium bar.
D) the distance light travels in a vacuum in a very short time.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q65: A successfully tested hypothesis may take on
Q66: One microgram (μg) contains how many grams?<br>A)
Q67: The meter is defined in terms of
Q68: Which of the following is not a
Q69: The mass of a cubic meter of
Q71: One megawatt contains how many watts?<br>A) 10<sup>3</sup><br>B)
Q72: The metric prefix that means one tenth
Q73: For the multiplication of 4.769 m times
Q74: A proposed concept or model of nature
Q75: The standard unit of mass in the