The distance between two crests of a wave is called frequency wavelength troughs quantums

Just study this, written down in my notes

wavelength

Explanation: a transverse wave, the molecules of a body move at right angles to the direction the wave travels, such as the ripples in a string. In a transverse wave, the distance between two crests (high points of a wave) is called the wavelength.

its a 5.5 n

glad that

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19