Physics 7C Physics 7C FNT 06 FNT’s due: DLM 07 D 0) If you did not finish Activity 8.5.2‚ complete it as part of your FNT’s. 1. If you did not finish Activity 8.5.2‚ complete it as part of your FNT’s. 1) (Solidification) 2. (Solidification) A 2m long string vibrates in the 3rd harmonic (n=3) with an amplitude of A 2 m long string vibrates in the 3rd harmonic (n=3) with an amplitude of 2 cm at a frequenc 2cm at a frequency of 50Hz. Hz. a. Sketch the standing wave on the picture
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and ‘D’ be the distance of the screen (AB) from S1 S2 . Let us consider a point P at a distance ‘x’ from the center ‘O’ (Fig.). 2 Condition for bright fringe: The point P is bright when the path difference is a whole number of multiple of wavelength λ. That is‚ (S2 P - S1 P) = n λ where n = 0‚ 1‚ 2‚ 3‚… From triangle S1QP we have (1) (S1P)2 = (S1Q)2 + (QP)2 From the triangle S2RP (S2P)2 = (S2R)2 + (PR)2 (S2P)2 - (S1P)2 = (S2R)2 + (PR)2 - (S1Q)2 - (QP)2 (S2 P + S1 P) (S2 P
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1 Lab Assignment #5 Write-Up 2 General Info: Name: Date: Purpose: Of Exp #5: In this experiment we will learn about the spectroscope and how it works. To learn the concept of quantitative measurements‚ to construct a spectroscope and‚ to use it for taking quantitative measurements. Experimental Questions: Please complete this section of your write-up as you work on the experimental portion of this lab. 1. Hold the grating several inches from your face‚ at an angle. Look at
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destructive thin-film microwave interference; and (b) determine the lattice constant a of an array of thin copper rods from its Bragg diffraction of the incident microwave. Introduction Thin Film Interference When plane electromagnetic wave of wavelength λ is incident on a dielectric surface‚ part of the electromagnetic wave is reflected‚ and part of it is transmitted. If the dielectric is thin‚ i.e. its thickness t is comparable to λ‚ the plane electromagnetic wave will be reflected again at the
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July 28st‚ 2014 Lab #10 Properties of Light Purpose: The ideal purpose of this lab activity is to investigate the relationship between the frequency of the light (color) and the energy produced by different colors of light. Other purposes of this experiment include calculating the proper current for each LED‚ measuring the evaporation rate of rubbing alcohol‚ and being able to discuss the outcome of the relationship in light energy and the color of the light producing the energy. Materials:
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Technical Specification Sheet For UV-Spectrophotometer | | Wavelength range | 190 to 1‚100 nm | Spectral bandwidth | 1 nm (190 to 1‚100 nm)/ variable Low stray light < 0.12%T (220 nm‚ NaI 340nm‚ NaNO2>2.0 Abs) | Wavelength accuracy | ± 0.1 nm at D2 peak 656.1 nm‚ | | ± 0.3 nm for entire range | Reproducibility | ±0.1 nm | Resolution | 1 nm more than 6 wave lengths | Photometric system | Double beam optics | Photometric range | Absorbance: -4 to 4 Abs | | Transmittance:
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around a barrier or through an opening. The amount of diffraction a wave experiences depends on two factors: the wavelength of the wave and the size of the barrier or opening the wave encounters. Sound travels around corners because it has relatively larger wavelengths than light. We can hear sounds around corners. We can’t see around corners because light has a very small wavelength. Interference is the result of two or more waves overlapping. Waves can meet‚ share the same space‚ and pass through
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and in terms of whether it is electromagnetic or mechanical. Next‚ you will need a wide pan of water. Repeatedly dip your finger into the water to make a circular wave on the surface. What happens to the wavelength if you dip your finger more frequently? Describe what happens to wavelength as the frequency increases. Do not submit this journal entry yet. You will submit all of your journal entries at the end of this unit. Date your entry and save
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Coastal Processes and Landforms Constructive Waves - Swell or surging waves created by distant storms (low frequency (6-8/minute); long wavelength (up to 100m); low flatter waves (<1m); low energy and stronger swash than backwash Destructive Waves - Storm or plunging waves created by local winds / storms (high frequency (10-12/minute); short wavelength (<20m); high steep wave (>1m); high energy and backwash stronger than swash Fetch - the distance over which wind has blown (i.e. distance
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wavelength — the distance between the crests of the waves — or its frequency — the number of crests that pass by in a given amount of time.The higher the energy of the radiation‚ the shorter its wavelength and the higher its frequency will be. Blue light‚ for example‚ has a higher energy and therefore a higher frequency and shorter wavelength than red light Flame tests are used to identify the presence of a relatively small number of metal ions in a compound. Not all metal ions give flame colours
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