The table below shows the right ascensions of two stars at a location. star 1 - 4 right ascension (in hour) star 2 - 3 right ascension (in hour) which of these statements is correct about the stars? 1) star 1 will rise 1 hour before star 2 2) star 1 will rise three hours before star 2 3) star 1 will cross the meridian four hours before star 2 4) star 1 will cross the meridian seven hours before star 2

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.