Question: Part 1) Light is an electromagnetic wave. Choose the correct features of light from the options below. D Light is a longitudinal wave. [3 Light

Part 1) Light is an electromagnetic wave. Choose the correct features of light from the options below. D Light is a longitudinal wave. [3 Light needs a medium to travel through. D Light consists of sinusoidally oscillating electric and magnetic fields. [3 Light carries energy. Part 2) Figure above shows stars as captured by the Hubble telescope. This image is taken from https://www.nasa.govi'imagefeature/goddard/ZOlBlahubbleskyfullofstars. Stars are light years away from Earth, the closest one to us being our own Sun. If the distance of a star from the Earth is d = 63.0 X 1015 m, how much time does it take for the rays from the star to reach our eyes? Part 3) An electromagnetic wave is travelling through space. If its wavelength is )1 = 623 nm, calculate its frequency. f=|:|kHz

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