Someone pls help with question 4
...
Answers: 2
Physics, 22.06.2019 03:30
The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
Answers: 3
Physics, 22.06.2019 03:50
The intensity of a polarized electromagnetic wave is 12 w/m^2. part a) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=0∘ with the plane of polarization? part b) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=30∘ with the plane of polarization? part c) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=45∘ with the plane of polarization? part d) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=60∘ with the plane of polarization? part e) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=90∘ with the plane of polarization?
Answers: 1
Physics, 22.06.2019 22:00
Which of these is the best way to manage a natural resource
Answers: 3
Physics, 22.06.2019 23:00
How much energy will be transferred to your eardrum while listening to this sound for 1.0 min?
Answers: 1
Biology, 28.07.2019 13:00
Biology, 28.07.2019 13:00
History, 28.07.2019 13:00
History, 28.07.2019 13:00
Mathematics, 28.07.2019 13:00
Biology, 28.07.2019 13:00
Biology, 28.07.2019 13:00
Chemistry, 28.07.2019 13:00
Social Studies, 28.07.2019 13:00