SMA Physics • Physics Lab Class XI • Exp: Volume of Irregular Lamina

Volume of Irregular Lamina: Screw Gauge & Graph Paper

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Part A: Screw Gauge with Lamina Clamped at Point P1 Spindle Free
Thimble & Pitch Scale Loupe (Magnified Coincidence) Coinciding CSD: n = 0
Pitch (PSR)
0.0 mm
CSR (n × LC)
0.000 mm
Observed Total
0.000 mm
Corrected ($t$)
0.000 mm
Least Count Configuration: $\text{LC} = \frac{\text{Pitch}}{N}$ LC = 0.010 mm (0.001 cm)
Screw Pitch:
Circular Scale Divs ($N$):
Lamina Probe Point (Thickness Variations) Point P1
Zero Error Calibration ($\pm e$) e = 0.000 mm (Nil)
Spindle Gap Opening ($d$) 0.000 mm
Part A: Thickness Observation Table
Point PSR (mm) CSD ($n$) CSR (mm) Observed Corrected ($t$)
No observations logged. Measure points P1-P5 and click '+ Log Reading'.
Points Measured: 0 / 5 Mean Thickness ($t_{\text{mean}}$): -- mm
Final Synthesis: Volume of Lamina $V = A \times t_{\text{mean}}$
Mean Thickness ($t_{\text{mean}}$): -- mm
Surface Area ($A$): -- cm²
Evaluated Volume: -- cm³