The distance of mars to the sun is 1.5 that of earth. "how many earth years does it take for mars to orbit the sun? "

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

Amajor difference radio waves, visible light, and gamma rays is the of the photons, which results in different photon frequencies and wavelengths

Currents in dc transmission lines can be 100 a or higher. some people are concerned that the electromagnetic fields from such lines near their homes could pose health dangers. for a line that has current 150 a and a height of 8.0 m above the ground, what magnetic field does the line produce at ground level? express your answer in teslas and as a percentage of the earth’s magnetic field, which is 0.50 g. is this value cause for worry?