How can the presence of an element in a distant star detected ?
Answer Posted / bob
Spectroscopy is correct. Certain elements emit light at a
certain wavelength (color). The combination of wavelengths
serves as a signature for an element.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
Explain how much does automotive oil weigh?
while calculating KVA using Volt and Ampere Reading, why we multiply the result with Square Root of 3 (i.e, 1.73)?
Explain the branches of physics?
Explain nuclear fusion?
Explain diffraction?
cyclotron
By passing current through a wire wrapped around an iron rod, william sturgeon invented the?
the resolutions of a michelson interferometer operating with a light source of 640nm wavelenth is A.1280nm B.640nm C.80 nm D.1nm
When are intermolecular forces the strongest?
How is radiocarbon produced in the atmosphere?
Explain what formula is most appropriate to compute the kinetic energy of a block of ice sliding down an inclined plane?
Consider earth's equator is covered with a measuring tape touching the ground such both the ends touch each other. if the tape is lifted 1 meter from the ground, what would be the distance between two ends of tape?
What is reflection of light?
When the sound intensity is above 120 decibel, what happen to human ears?
What is frequency of sound in air?