07/20/20

refraction of light

Light travels from a region of heavy flint glass into a region of vacuum, making an angle of incidence of 50 degrees. Which of the following best describes the path of the light as it moves into... more

04/21/20

Physics Diffraction

The Hubble Space Telescope has a diameter of 2.4 m.What is the angular limit of resolution due to diffraction when a wavelength of 790 nm is viewed? 

01/22/19

Are sound waves examples of longitudal waves?

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