3.3. Assume that the 30 minutes of uncompressed digitalmusic is to be transmitted over a DS-0 digitalcircuit at 64Kbps. How long will it take to complete the transmission

What would the difference of spectral lines emitted by hydrogen gas in distant galaxies which is normally found at a wavelength of 21 cm on earth, be observed at 21.1 centimeters?

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

The plum pudding model of the atom states that ?