A convex lens is placed on a flat glass plate and illuminated from above with monochromatic red light. When viewed from above, concentric bands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?
A) a darkspotB) a bright spot thatis some color other than redC) a bright redspotD) a rainbow of color
Answers: 3
Physics, 22.06.2019 04:30
Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons
Answers: 2
Physics, 22.06.2019 05:30
Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.
Answers: 1
Physics, 22.06.2019 10:00
Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer
Answers: 2
A convex lens is placed on a flat glass plate and illuminated from above with monochromatic red ligh...
English, 03.11.2020 02:50
Health, 03.11.2020 02:50
Mathematics, 03.11.2020 02:50
Biology, 03.11.2020 02:50
Arts, 03.11.2020 02:50
Mathematics, 03.11.2020 02:50
Advanced Placement (AP), 03.11.2020 02:50
Mathematics, 03.11.2020 02:50
Social Studies, 03.11.2020 02:50