The lowest outdoor temperature ever recorded on Earth is -128.6°F, recorded at Vostok Station, Antarctica, in 1983. What is this temperature on the Celsius and Kelvin scales?

The differences between  a compression wave and a transverse wave?

Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.