subject
Physics, 12.06.2020 18:57 adricabrera

When a radio telescope observes a region of space between two stars, it detects electromagnetic radiation that has a wavelength of 0.21 m. This radiation was emitted by hydrogen atoms in the gas and dust located in that region. What is the frequency of this radiation

ansver
Answers: 3

Another question on Physics

question
Physics, 22.06.2019 14:00
An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
Answers: 1
question
Physics, 22.06.2019 18:00
Which is the most accurate name for the ionic compound cas?
Answers: 1
question
Physics, 23.06.2019 00:50
Based on details in the riddle of the rosetta stone, which statement best describes jean-baptiste fourier’s influence on jean-françois champollion?
Answers: 2
question
Physics, 23.06.2019 01:00
Two solutions of the same uv-absorbing molecule were analyzed by uv-vis spectroscopy on the same instrument using 1 cm pathlength cells. use data from the table to calculate by what percentage the concentration of solution b is compared to that of solution a.sample absorbance at 315nm a 0.45 b 0.80
Answers: 1
You know the right answer?
When a radio telescope observes a region of space between two stars, it detects electromagnetic radi...
Questions
question
Mathematics, 18.03.2020 23:29
question
Mathematics, 18.03.2020 23:29
Questions on the website: 13722363