Alaser beam is incident on two slits with a separation of 0.195 mm, and a screen is placed 5.30 m from the slits. if the bright interference fringes on the screen are separated by 1.62 cm, what is the wavelength of the laser light

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.

Which system of units is used by only a small number of countries in the world, including the u.s.