Roby

This page lists questions and answers that were posted by visitors named Roby.

Questions

The following questions were asked by visitors named Roby.

Light of wavelength 600 nm illuminates a diffraction grating. The second-order maximum is at angle 39.1°. How many lines per millimeter does this grating have?

Two parallel or perpendicular coplanar lines are either parallel or perpendicular. True False Could be true and false (My answer)

Answers

The following answers were posted by visitors named Roby.

There is no place like home Interesting and silly while alomost available

Can someone check this thanks