The length of the optical axis from the focal point to the lens is called the
A. real ima...
Physics, 06.03.2020 01:46 needhelp9627
The length of the optical axis from the focal point to the lens is called the
A. real image
C. optical length
B. focal length
D. telephoto
Answers: 1
Physics, 22.06.2019 14:20
Antireflective coatings on solar cells are often made by applying a thin film of silicon nitride (sinx), which has an index of refractive of 1.2, on the top of the silicon solar cell, which has a refractive index of about 3.5. however, the sun emits radiation of various wavelengths which the solar cell absorbs, and the antireflective coating can only absolutely minimize the reflection of one of these wavelengths. the coating thickness is chosen to reduce the reflection of green/yellow light (e = 2.2 ev), which is the most intense color in the solar spectrum (shown below). which of the following coatings would minimize reflection of green/yellow light? the answer is 820 nm how? what is the angular width of the central maximum of an electron traveling at 2 x 108 m/s going through a single slit of width 1 mm.
Answers: 1
Physics, 22.06.2019 22:20
Which symbol in the first law of thermodynamics represents the sum of the chemical and thermal energy stored in atoms and molecules? a. q b.w c.v d.u
Answers: 3
Physics, 23.06.2019 12:30
The lid of a pressure cooker forms a nearly airtight seal. steam builds up pressure and increases temperature within the pressure cooker so that food cooks faster than it does in an ordinary pot. the system is defined as the pressure cooker and the water and steam within it. if 2.0 g of water is sealed in a pressure cooker and then vaporized by heating, and 5127 j must be added as heat to completely vaporize the water, what is the change in the system’s internal energy? answer in units of j.
Answers: 2
History, 29.10.2020 17:10
Mathematics, 29.10.2020 17:10
History, 29.10.2020 17:10
Mathematics, 29.10.2020 17:10
Mathematics, 29.10.2020 17:10
History, 29.10.2020 17:10
Mathematics, 29.10.2020 17:10
Mathematics, 29.10.2020 17:10