the least count of travelling microscope = 0.001 cm
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The least count of a traveling microscope is typically around 0.01 mm or 0.001 cm. This means that the smallest distance that can be measured using the device is around 0.01 mm. The least count is determined by the precision of the measuring scale or vernier scale on the microscope.
A traveling microscope is considered to be a low-powered microscope, however, it is powerful enough to allow for accurate size determinations. The resolution of the typical traveling microscope is 0.01 mm.
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to calculate the least count of travelling microscope first see the no. of division on the main scale say between 12 and 13 there are 20 divisions and the no.of division on vernier scale is 50 then 1 msd = 20 division 1 division = 1/20 msd=0.05 1vsd = 50 division least count = msd/vsd =0.05/50=0.001 so least count is 0.001 cm
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The least count of a microscope is the smallest distance that can be measured accurately. It is typically determined by the precision of the microscope's objective lens and the calibration of its stage micrometer, usually ranging from 0.01 mm to 0.001 mm.
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A traveling microscope is a type of microscope that has a moveable stage, allowing for precise measurement and observation of small objects or samples. Its uses include measuring small distances, determining the thickness of an object, examining small details, and calibrating other instruments.
To measure the diameter of a capillary tube using a traveling microscope and vernier caliper, place the capillary tube on a flat surface. View the capillary tube through the traveling microscope to measure the external diameter. Then, use the vernier caliper to measure the internal diameter by gently inserting the capillary tube between the jaws of the caliper to get an accurate measurement. Subsequently, calculate the average diameter using the two measurements.
Zero error in a traveling microscope refers to the discrepancy between the actual reading of the microscope when the eyepiece is aligned with the zero mark of the scale and the expected zero reading when no object is being measured. This error can occur due to misalignment or imperfections in the instrument, leading to inaccurate measurements. It is crucial to identify and correct zero error before taking measurements to ensure precision in the results obtained with the microscope.
Modern light microscope