When monochromatic light illuminates a grating with 7000 lines per centimeter, its second order maximum is at 62.4°. what is the wavelength of the light?

When red light illuminates a grating with 7000 lines per centimeter, its second maximum is at 62.4°. What is the wavelength of this light?

ans: 633nm

When red light illuminates a grating with 7000 lines per centimeter, its second maximum is at 62.4°. What is the wavelength of this light?

answer*= 633nm

a and c

c is 100% but i am confused in a

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.