Answers: 3
Physics, 21.06.2019 21:30
One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?
Answers: 3
Physics, 22.06.2019 08:30
An object weigh 40n in air ,weigh 20n when submerged in water,and 30n when submerged in a liquid of unknown liquid density.what is the density of unknown of liquid?
Answers: 1
Physics, 22.06.2019 11:20
If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant
Answers: 3
Physics, 22.06.2019 19:30
Another word for electromagnetic energy is a. heat b. force c. matter d. radiation
Answers: 1
The electromagnetic spectrum includes radio waves inferared waves and x rays...
Chemistry, 18.02.2022 21:20
History, 18.02.2022 21:20
Computers and Technology, 18.02.2022 21:20
Mathematics, 18.02.2022 21:20
Mathematics, 18.02.2022 21:20
Social Studies, 18.02.2022 21:30
Computers and Technology, 18.02.2022 21:30
Mathematics, 18.02.2022 21:30