question 1)

At what angle would a tenth order minimum be from the central maximum produced by 701 nm light passing through a double-slit with a slit separation of 58 m? answer accurate to the nearest tenth of a degree.

question 2)

An interference pattern appears on a screen 2.5 m away from a double-slit with a separation of 70 m.At what distance would a fourth-order dark fringe be from the central maximum produced by 611 nm light? answer to the nearest tenth of a cm.

question 3)

Newton's Rings are a special type of interference pattern first studied by Issac Newton in 1717. Describe the appearance andformation of this phenomenon. Describe some practical applications of Newton's Rings.