Of Textbook: In a two-slit interference experiment of the Young type, the aperture-to-screen distance is m and the wavelength is 600 nm. If it is desired to have a fringe 2spacing of mm, what is the required slit separation? 1

Can anybody me with this? ? (picture included.)

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

(01.02 mc) nicole pushes her bike up a hill. overhead, the sun exerts a gravitational force on earth. which statement is true about the bike and earth? they both experience contact forces. they both experience non-contact forces. the bike experiences a non-contact force and earth experiences a contact force. the bike experiences a contact force and earth experiences a non-contact force. they both experience non-contact forces.