3.11.5　Data recording and processing

3.11.5　Data recording and processing

1)Data recording

Record observations in Table 3.11.1-Table 3.11.4,respectively.

Table 3.11.1　Measurement of the focal length of the convex lens by the plane mirror method

Table 3.11.2　Measurement of the focal length of the convex lens by the conjugate method

Table 3.11.3　Measurement of the focal length of the concave lens by the plane mirror method

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续表

Table 3.11.4　Measurement of the focal length of the concave lens by the object distance method

2)Data processing

(1)Calculate the focal length of the convex lens measured by two different methods and the error.

(2)Calculate the focal length of the concave lens measured by two different methods and the error.