Lab Practical: Part 1

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Lab Practical Part 1

• Teams of two
• you do not choose your partner
• matched up when you arrive
• One answer sheet per person
• Both members might not receive the same score
• Perform all 4 tasks assigned

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Lab Practical Guidelines

• Picture with labels
• Measurements
• accuracy
• correct of significant figures
• proper units
• Show all calculations
• Final answers with units

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Lab Practical Task 1
Given circuit board, mystery resistor, 6V
battery, voltmeter, ammeter
Goal Solve for R
SHOW Data collectecd, calculations, schematic
of circuit with meters in proper location.
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Circuit Analysis
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Task 2 Index of Refraction
Given Glass block, protractor, straight edge

• Find Index of refraction of glass

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Snells Law
N
N
Q1
Q2
Q2
Q1
n1 sin Q1 n2 sin Q2
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Task 3 Converging Lens

• Given Optics Bench, Positive Lens
• Find Focal Length (f)
• Include Ray diagram, label Do, Di

Dont forget to draw 3 principal rays
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OPTICAL BENCH
Do
Di
IMAGE
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Task 4 Diffraction
Given Diffraction grating, laser, screen, laser
l

• Find d for the diffraction grating

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TASK 4
Ao
A1
A1
A2
A2
X1
X2
L
d ?
Q1
lHeNe 632.8nm
Diffraction Grating
L.A.S.E.R
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Lab Practical Part 2Excel Spreadsheet Prowess

• Teams of one
• you can choose your partner
• One answer sheet per team
• Given RAW data from one of the labs done
  second semester.
• Tasks
• Enter data
• Column calculations
• Graphing Data
• Trendline Application
• Data Analysis Slope, y-intercept interpretation

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1. Circuit Analysis
Given circuit board, mystery resistor, 6V
battery, voltmeter, ammeter
Goal Solve for R.
SHOW Data collectcd, calculations, schematic
of circuit with meters in proper location. SHOW
ALL WORK CLEARLY!
R ______
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2. Positive (Convex) Lens
DIRECTIONS Draw 3 principal rays to locate the
image formed by the lens. Draw the image that is
formed. Indicate the characteristics of the
image. Record object and image distances.
Calculate the focal length and record your answer
below. SHOW ALL WORK CLEARLY!
MEASURED Do AND Di Do
_________ Di _________
IMAGE CHARACTER REAL OR VIRTUAL UPRIGHT
OR INVERTED LARGER OR SMALLER
f _____
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3. GLASS BLOCK INDEX OF REFRACTION
INSTRUCTIONS Diagram the path of a ray of light
incident and refracted through your glass block.
Solve for the index of refraction of the glass.
Record your answer in the box provided below.
SHOW YOUR WORK AND CALCULATIONS CLEARLY.
air n 1
n _____
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4. MULTIPLE SLIT DIFFRACTION
INSTRUCTIONS Diagram the diffraction of the
laser light beam through the diffraction
grating. Solve for the distance (d) between the
slits. Record your answer in the box provided
below. SHOW YOUR WORK AND CALCULATIONS CLEARLY.
lHeNe 632.8nm
d _____