subject

Physics, 26.06.2019 06:30 jakebice3643

Which of the following technologies works by detecting electromagnetic radiation that is being spontaneously emitted by an object? i think it is a or b but im not sure a. gamma knife b. airport scanner c. night-vision device d. cell phone

ansver

Answers: 1

Show answers

Another question on Physics

question

Physics, 22.06.2019 04:50

Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?

Answers: 1

question

Physics, 22.06.2019 10:30

Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.

Answers: 2

question

Physics, 22.06.2019 13:50

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?

Answers: 2

question

Physics, 23.06.2019 00:40

Aforce of 8,480 n is applied to a chart to accelerate it at a rate of 26.5 m/s2. what is the mass of the cart?

Answers: 1

You know the right answer?

Which of the following technologies works by detecting electromagnetic radiation that is being spont...

Questions

question

Mathematics, 28.06.2019 21:50

Which of the following is equivalent to cos x? a) tan y b) tan x c) cos y d) sin y

question

Biology, 28.06.2019 21:50

Faults are a. cracks that prevent tectonic forces from moving pieces of the earth's crust. b. found only in the center of the earth's continents. c....

question

Biology, 28.06.2019 21:50

Complete these sentences by matching the phrases.

question

Mathematics, 28.06.2019 21:50

Drag the tiles to the correct boxes to complete the pairs. tests predict he has it 085 test predicts he doesn't have 0.15 kevin has diabetes 075 test...

question

Mathematics, 28.06.2019 21:50

Graph the hyperbola with equation quantity x minus 1 squared divided by 49 minus the quantity of y plus 3 squared divided by 9 equals 1....

question

English, 28.06.2019 21:50

The man trudged home from a day at work....

question

Mathematics, 28.06.2019 21:50

Solve for the indicated variable. include all of your work in your answer. submit your solution. c = 2πr ; for r...

question

Health, 28.06.2019 21:50

How does the paralysis of the cilia that line the airways affect one’s health? mucus cannot be moved out of the lungs. oxygen can no longer be absorb...

question

Mathematics, 28.06.2019 21:50

Ineed the answer plz i’ll give brain...

question

English, 28.06.2019 21:50

Should mentally ill people be held responsible for their actions? give me reasons why or why not...

question

Mathematics, 28.06.2019 21:50

¿qué efecto tiene sobre la figura una dilatación de (x, y) → (kx, ky) cuando 0 < k < 1? ¿qué efecto tiene sobre la figura cuando k > 1?...

question

History, 28.06.2019 21:50

What was true of japanese americans in the west during world war 2?...

question

Mathematics, 28.06.2019 21:50

Evaluate the determinant for the following matrix [3 -5 / 1 1]

question

Spanish, 28.06.2019 21:50

Select the correct answer. which phrase correctly completes this sentence? susana tuvo un accidente y el brazo. a. nos lastimamos b. se lastimó c....

question

Mathematics, 28.06.2019 22:00

Louis has three more quaters than dimes in his pocket, for a total of $1.80 . which equation could used to detemine the number of dimes, x in this poc...

question

Mathematics, 28.06.2019 22:00

Consider the diagram. the length of segment qs is units

question

Chemistry, 28.06.2019 22:00

How many grams of lead ii sulfide is produced when 25.0 g lead ii acetate reacts with excess hydrogen sulfide...

question

English, 28.06.2019 22:00

Based on the excerpt, what is the central idea of this speech?...

question

Mathematics, 28.06.2019 22:00

[tex] log_24 + log_216 - log_232[/tex]...

question

History, 28.06.2019 22:00

Describe the hardship the southern civilian population faced during the war....

More questions: Physics Another questions

Questions on the website: 13722360