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- A meter scale with a least count of 0.1 cm is used to measure the length of an object. The zero of the scale coincides with one end of the object. The measured length is found to be 37.8 cm. Determ
A meter scale with a least count of 0.1 cm is used to measure the length of an object. The zero of the scale coincides with one end of the object. The measured length is found to be 37.8 cm. Determine the actual length of the object, considering the zero error.
40 cm
37.8 cm
45 cm
37.8 mm
Answers (1)
Given:
Least count of meter scale L = 0.1 cm
Measured length of the object Lmeasured = 37.8 cm
Step 1: Determine the zero error (Ezero) of the meter scale. Since the zero of the scale coincides with one end of the object, Ezero = 0 cm.
Step 2: Calculate the actual length (Lactual) of the object using the corrected length:
Lactual = Lmeasured - Ezero
Lactual = 37.8 cm - 0 cm
Step 3: Calculate Lactual:
Lactual = 37.8 cm
The actual length of the object is 37.8 cm.
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