BiancaNDC

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Physic Question

White light (400.0 nm - 750.0 nm) falls on a diffraction grating containing 1.340x10^4 lines per inch (1 in = 2.540cm). Please show your work, thank you!

(a) How many complete orders are observed?
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physics

BiancaNDC Mar 30, 2016

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472

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Physic Question

The third order bright fringe of monochromatic light, passing through two slits separated by a distance of 44.42µm, on a screen 1.50 m away is 0.0641 m from the central fringe. What is the wavelength of the light? Please show your work, thank you! read more ..

BiancaNDC Mar 30, 2016

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463

0

+50

Physic Question

The third order bright fringe of monochromatic light, passing through two slits separated by a distance of 44.42µm, on a screen 1.50 m away is 0.0641 m from the central fringe. What is the wavelength of the light? Please show your work, thank you! read more ..

BiancaNDC Mar 30, 2016

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531

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Physic Question

Light of wavelength 625 nm fall on two slits and produces an interference pattern in whihc the fringes around the central fringe are 5.75 mm apart (the inter fringe distance) on a screen 1.50 m away. Find the separation of the two slits. Please show your read more ..

BiancaNDC Mar 30, 2016

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608

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An electromagnetic wave is represented by the electric field represented mathematically by:

An electromagnetic wave is represented by the electric field represented mathematically by:
E= Eo cos [(9.369x10^6 m^-1) x +(2.809x10^15 s^-1) t]

(a) Find the frequency and wavelength of the wave. read more ..

BiancaNDC Mar 30, 2016

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585

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Physics Question

An electromagnetic wave is represented by the electric field represented mathematically by:
E= Eo cos [(9.369x10^6 m^-1) x +(2.809x10^15 s^-1) t] Please show your work, thank you!

(a) Find the frequency and wavelength read more ..

BiancaNDC Mar 30, 2016

+5

468

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Math

The intensity levels of two sound sources ar 95 dB and 100 dB respectively. What is (a) the intensity and (b) the intensity level of the cobined sound sources?

BiancaNDC Mar 29, 2016

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573

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Math

A certain pipe has these three natural consecutive harmonics 130.0 Hz, 390.0 Hz, and 650.0 Hz. (a) Is the pipe open or closed? (b) Taking the temperature of the surrounding to be 20.0 Celsius, find the lenngth of the pipe.

BiancaNDC Mar 29, 2016

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604

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Physics

Certain device has an ideal transformer with 30 turns in its primary and 1050 turns in its secondary. (a) What type of transformer is this? (b) If the device is plugged to a 112-V wall socket, power in the primary coil is 112 W when the device is truned read more ..

BiancaNDC Mar 25, 2016

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494

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Physics

A long horizontal wire carries 25.0 A current due north. What is the net magnetic field 10.0 cm due east of the wire if the earth's magnetic field points due north but dips downward, 55.5 degrees, and has a magnitude of 5.00x10^-5?

BiancaNDC Mar 25, 2016