Measure and record𝐜𝐨𝐬𝜽,𝒆, and 𝒅. 2.Evaluate 𝒎=𝐬𝐢𝐧𝒆, and 𝒏=𝐜𝐨𝐬 𝜽 𝟐 3.Repeat the procedure for...

Measure and record𝐜𝐨𝐬𝜽,𝒆, and 𝒅.
2.Evaluate 𝒎=𝐬𝐢𝐧𝒆, and 𝒏=𝐜𝐨𝐬
𝜽
𝟐
3.Repeat the procedure for 𝒊=𝟐𝟎°,𝟑𝟎°,𝟒𝟎°𝒂𝒏𝒅𝟓𝟎.
4.Tabulate your readings.
𝒊°𝜽°𝒆°𝒅(𝒄𝒎)𝒎=𝐬𝐢𝐧𝒆𝒏=𝐜𝐨𝐬
10
20
30
40
50
10.4
19.0
20.0
30.0
30.5
10.0
20.4
30.0
40.0
50.0
3.00
3.90
6.00
7.00
7.50
Questions
(i)Plot a graph with 𝒎on the vertical axis and n on the horizontal axis.
(ii)Determine the slope, 𝒔, of the graph and evaluate 𝐜𝐨𝐬𝜽=𝟐𝑾𝒔.
(iii)State two precautions are taken to ensure accurate results.
(iv)Sketch a diagram to show the path of the ray through the glass block when the
angle of incidence 𝒊=𝟗𝟎°in the experimentabove.
(v)A coin lies at the bottom of a tank containing water to a depth of 𝟏𝟑𝟎𝒄𝒎. If the
refractive index ofwater is 𝟏.𝟑, calculate the apparent displacement ofthe coin
when viewed vertically from above.?

In Abia State University
1 Answers Available
Asked by Abdullahi on 10th November, 2024