You must design a pair of slits for a demonstration in which the first minimum of the diffraction pattern sits at the same place as the 5th order maximum of the interference pattern. What is the ratio of the slit spacing over the slit width? Recall that the light intensity at the screen is the product of the double slit interference pattern that corresponds to the slit spacing, and the single slit diffraction pattern that corresponds to the slit width.

Given the position vector of the particle r(t)=(t+1)i+(t^2−1)j+2t k, find the particle's velocity and acceleration vectors at t=1

You can watch static electricity in action by rubbing an inflated balloon against your hair. your hair will actually stand on its end! it does this because each hair becomes charged, and they all repel one another.

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.