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Recent questions in Light and Optics
vogarsfN8 2022-11-26

Does sound travel faster than light?

ramirezherePYM 2022-11-25

Suppose the distance from the lens system of the eye (cornea + lens) to the retina is 16 mm.(a) What must the power of the lens be when looking at distant objects?(b) What must the power of the lens be when looking at an object 18.2 cm from the eye?(c) Suppose that the eye is farsighted; the person cannot see clearly objects that are closer than 1.0 m. Find the power of the contact lens you would prescribe so that objects as close as 18.2 cm can be seen clearly.

nuseldW4r 2022-11-25

Find the distributions of the random variables that have each of the following moment generating functions:$m\left(t\right)=\frac{{e}^{t}}{2-{e}^{t}}$

pauloulaiFFB 2022-11-25

What is the refractive index evaluated in?

Giovanna Shaw 2022-11-24

How can you identify whether a picture is upright or upside down?

Talia Frederick 2022-11-24

A measure of an angle 240∘ is __?

fabianmartinOTQ 2022-11-23

Photons of minimum energy 496 kJ/mol are needed to ionize sodium atoms. Calculate the lowest frequecy of light that will ionize a sodium atom. A1.24×1014 s−1 B1.24×1015 s−1 C2.48×1015 s−1 D2.48×1014 s−1

Jorge Schmitt 2022-11-23

State the factor(s) that needed to be considered while planning a single slit diffraction experiment, in order to make a diffraction pattern easily visible.

Jenny Roberson 2022-11-20

Is Heisenberg's Uncertainty Principle applicable to light?

Audrey Arnold 2022-11-19

What is the experimental evidence that light is an electromagnetic wave?

charmbraqdy 2022-11-18

I'm having trouble obtaining this formula. Considering the curvature of the Earth (R is the Earth radius) and a non-vertical direction (zenith angle $\theta$), the relation between h and path length L in the atmosphere is:$h=L\mathrm{cos}\theta +\frac{1}{2}\frac{{L}^{2}}{R}{\mathrm{sin}}^{2}\theta$h is the atmosphere's height.I understand the first term (which due to the inclination) but I can't find a way to get the second term (which is introduced by considering the "roundness" of the Earth)Any help would be greatly appreciated

Juan Lowe 2022-11-14

Suppose you are measuring double-slit interference patterns using an optics kit that contains the following options that you can mix and match: a red laser or a green laser, a slit width of 0.04 or 0.08 mm; a slit separation of 0.25 or 0.50 mm. Estimate the minimum distance L you can place a screen from the double slit that will give you an interference pattern on the screen that you can accurately measure using an ordinary 30 cm (12 in) ruler.

figoveck38 2022-11-13

Why do electrons on the surfaces of a lens focus photons instead of scattering them in all directions?

Hanna Webster 2022-11-10

Can a broken light filter shift the wavelength of light exiting it?

Siena Erickson 2022-11-08

In all consulted literature, the transfer function of the free space is given as follows:$\mathrm{exp}\left(-i{k}_{z}d\right)=\mathrm{exp}\left(-i2\pi d\sqrt{1/{\lambda }^{2}-{\nu }_{x}^{2}-{\nu }_{y}^{2}}\right)$When referring to Fourier Optics, they derive the transfer function from the following equation:$H\left({\nu }_{x},{\nu }_{y}\right)=\frac{{f}_{in}\left(x,y\right)}{{f}_{out}\left(x,y\right)}$I'm wondering why they do it this way. I thought the transfer function is defined in the frequency domain rather than in the time domain (frequency and space for the fourier optics respectively).

Nicholas Hunter 2022-11-05

How is the Rayleigh criterion connected to the Abbe limit?

apopiw83 2022-11-04