When sodium yellow light (λ = 589 nm) is used in a double-slit experiment, the first-order maximum (bright spot) is 0.035cm from the central maximum. When another source of unknown wavelength is used on the same slit and screen setup, the first-order maximum occurs at 0.032 cm from the center.  What is the unknown wavelength in nm? *Hint: use the small angle approximation,

Written correctly? Style, grammar, punctuation, spelling, etc. Two million dollars is a lot of money, Scrooge told Tiny Tim. 

Which type of lede would most likely be best on these types of stories? Utility company raises rates

What does “ectomy” mean

Which phase of drug development involves testing on people with specific diseases?

Simplify the power of i. i42{“version”:”1.1″,”math”:”i42″}

Solve the equation by the square root property. 3x+72=36{“version”:”1.1″,”math”:”3x+72=36″}

Written correctly? Style, grammar, punctuation, spelling, etc. His favorite line from the movie was, “It ain’t a fit night out for man nor beast.”

Two long, current-carrying wires are shown on the axis system below.  Currents flow along the +/- z axis (perpendicular to the page). I1 = 1.8A and I2 = 0.7A.   a. What is the direction of the B1 at the origin (due to I1)?

21. Of the nine regions used by anatomists to divide the abdominopelvic cavity, this one is most superior and medial.   A. Lumbar B. Umbilical C. Epigastric D. Hypogastric