 ﻿Physics Lab Report

1 . Intended for the wavelength measurement of various colors in the Hydrogen range done in invisalign, tabulate your details recorded together with the wavelength computations performed for all colors in the spectrum. (2 points) Line Color

a_left (m)

a_right (m)

a_average (m)

sinq

nm

Red

0. 235

0. twenty seven

0. 2525

0. 182145

5. 47E-09

Green-Blue

zero. 17

0. 33

zero. 25

zero. 180505

five. 42E-09

Indigo

0. 18

0. 35

0. 255

0. 18378

5. 52E-09

Violet?

0

0

0

0

0

To find the wavelength for all of the colours in this lab we utilized two equations. Sin(θ)=a(average)/((b2 +a(average)2)(1/2)) and dsin(θ)=mλ. 2 . Tabulate your data noted along with the wavelength calculations performed for purple and crimson colors noticed in the variety of the light light bulb. (2 points) Color

a_left (m)

a_right (m)

a_average (m)

sinq

nm

Red

zero. 226

zero. 226

zero. 226

zero. 151568

656. 335

Purple

0. one hundred and fifty six

0. one hundred and fifty six

0. one hundred and fifty six

0. 106533

410. 21

3. List the different wavelengths specified in the spectrum from the Mercury (green spectral line) and the Sodium (yellow spectral line) light fixture. (1 point) Mercury light fixture:

Green

zero. 2

0. 2

zero. 2

zero. 146789

some. 41E-09

Salt lamp:

Sodium (Na)

b sama dengan

1 . 18

Line Color

a_left (m)

a_right (m)

a_average (m)

sinq

Yellow

zero. 24

zero. 2

zero. 22

zero. 157819

5. 74E-09

4. Calculate the frequencies with the violet and red colours seen in the spectrum from the white lamp. Which color has the frequency higher? (1 point) 5. Determine the consistency of colors seen in the variety of Hydrogen lamp. Compare them to the expected beliefs calculated making use of the empirical solution for Balmer series. (2points) Frequencies could be calculated by formula

6. Are definitely the spectra noticed in this laboratory Emission Spectra or Consumption Spectra? Justify your solution. (1 point) 7. Pertaining to the hydrogen lamp, what would be the wavelength if the change of the electron is by n=7 to n=2 levels? (2 points) 8. A star has an emission spectrum consisting of unreal lines with...

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