1. 84% of people reading this will not find the the mistake in this A, B,C, D,E, F,G, H,I, J,K, L,M, N,O, P,Q, R,S, T,U, V,W, X,Y, Z.

J. j. thomson’s experiment disproved the theory that an atom

What is the measurement of how fast an object moves relative to a reference point?

The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656(red) and 486 (blue). light from a hydrogen lamp illuminates a diffraction grating with 500 lines per mm, and the light is observed on a screen 1.50 behind the grating. what is the distance between the first-order red and blue fringes?