subject
Chemistry, 04.12.2019 06:31 dvnive

The lengthening of a transmitted signal's wavelength and/or a decrease in its frequency, which indicates that the object is moving away from the observer, is called the
a) spectrum.
b) red shift.
c) blue shift.
d) distortion.

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 08:30
The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.
Answers: 1
question
Chemistry, 22.06.2019 11:30
If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood
Answers: 2
question
Chemistry, 22.06.2019 17:00
The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?
Answers: 1
question
Chemistry, 22.06.2019 23:00
If two identical atoms are bonded,what kind of molecule is formed
Answers: 1
You know the right answer?
The lengthening of a transmitted signal's wavelength and/or a decrease in its frequency, which indic...
Questions
question
Mathematics, 08.11.2019 20:31
question
Mathematics, 08.11.2019 20:31
question
Chemistry, 08.11.2019 20:31