A laser beam is incident on two slits with a separation of 0.210 mm, and a screen is placed 4.80 m from the slits. If the bright interference fringes on the screen are separated by 1.59 cm, what is the wavelength of the laser light

What do you think car designers do if the damage caused by a crash test is too severe?

What component of earth’s atmosphere exists entirely as a result of photosynthesis?

Consider an ideal gas at 27.0 degrees celsius and 1.00 atmosphere pressure. imagine the molecules to be uniformly spaced, with each molecule at the center of a small cube. what is the length l of an edge of each small cube if adjacent cubes touch but don't overlap?