Answers: 2
Physics, 22.06.2019 17:00
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.
Answers: 3
Physics, 23.06.2019 03:00
The stopwatch used by a student to measure velocity of a pulse in a slinky was of least count 0.1 second. he stops the stopwatch when a pulse has made 3 journeys from one end to the other of the slinky. he finds the seconds hand to be at 52nd division. calculate the correct time noted by him.
Answers: 3
Physics, 23.06.2019 12:10
Answer fast! which lens can produce a virtual image and a real image? concave lens convex lens flat lens
Answers: 2
Ionic compounds molecules have strong forces of attraction between neighboring molecules. Which conc...
History, 06.09.2019 23:30
Mathematics, 06.09.2019 23:30
History, 06.09.2019 23:30
History, 06.09.2019 23:30