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physics help-the central and first-order principal maxima are separated by 0.488 m on a wall 1.74 m from the g?
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vinny3130
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2
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3133
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August 14, 2011, 10:43:35 PM
by JullyWum
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physics help- A Young's double-slit interference experiment is performed with blue-green argon laser light?
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vinny3130
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1
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1061
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August 12, 2011, 11:38:14 PM
by rex
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Helium-neon lasers operate at a wavelength with mirror spacing, what mode is it in?
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Paul_Hill
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1
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462
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August 11, 2011, 12:09:43 AM
by Steve4Physics
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The light emitted by a helium-neon laser has a wavelength of 632.8 nm in air....?
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T_V
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1
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1440
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August 06, 2011, 01:45:34 AM
by rex
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Physics - diffraction grating?
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MatthewS
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2
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346
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August 06, 2011, 01:37:11 AM
by Mixed_Nutz
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Physics Question Laser Calculation?
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Alison
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1
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597
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August 04, 2011, 09:21:03 PM
by tigger
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wavelength physics problem?
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Erik
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1
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7717
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July 01, 2011, 01:56:23 AM
by u_n__o
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Small helium-neon lasers emit 4.46 mJ/s of light at 634 nm. How many photons does such a laser emit in one min?
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Guru
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0
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4204
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May 20, 2011, 12:18:44 PM
by Guru
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A scientist needs to focus a helium-neon laser beam (lamda = 633nm) to a 10 micrometre diameter spot 8.0 cm be?
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Con_Nor
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1
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565
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May 11, 2011, 05:20:49 PM
by Etienne_de_Quercy
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Diffraction gratings....PHYSICS HELP PLEASE!?
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smelly
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2
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592
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May 11, 2011, 04:49:07 PM
by JullyWum
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Need help with another Young's Double slit experiment! please and thank you!!!?
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Michelle_Kopcok
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1
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538
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May 11, 2011, 04:00:17 PM
by Saad_Siniard
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Can someone help me with these physics problems?
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Lauren
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1
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435
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April 30, 2011, 04:01:03 PM
by MaeS
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the power supply used for a nitrogen laser what must be ?AC or DC?
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mohammad
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2
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455
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April 30, 2011, 02:46:53 PM
by r2k_in_the_vortex
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How many photons are emitted per second?
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Leia_Vilardi
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2
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464
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April 28, 2011, 10:39:08 PM
by Marie_Tillery
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One more physics question...?
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LB
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1
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504
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April 25, 2011, 06:56:22 AM
by Buddy
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PHYSICS HELP NEEDED -THE LASER?
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NameWithheld
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1
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522
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April 15, 2011, 04:33:28 PM
by rex
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used helium neon cutting lasers?
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Paul_Stewart
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1
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266
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April 15, 2011, 04:12:54 PM
by billrussell42
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i need help with this physics question?
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Ali
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1
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314
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April 15, 2011, 03:41:21 PM
by Sepehr
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wave question. HELP!!!!!!!!!!!?
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Matt_Jacquart
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1
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204
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April 15, 2011, 02:34:27 PM
by za
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chemistry helpppp please?
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Czekan_B
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1
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348
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April 15, 2011, 02:10:45 PM
by Alex
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