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the least count of travelling microscope = 0.001 cm
the least count of travelling microscope = 0.001 cm
a travelling microscope can be used to calculate the refractive index of various materials using the real and apparent depth method. see google.
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
The circular fringes are obtained while viewing the lens through the travelling microscope. It is formed on the lens of the travelling microscope.
Give the importance of microscope
.001 mm
A transmission electron microscope.
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To find the refractive index of a glass slab using a travelling microscope, you would first place the glass slab on a flat surface. Using the travelling microscope, measure the apparent shift in the position of the object when viewed through the glass slab. By knowing the thickness of the glass slab and the shift in the position, you can calculate the refractive index using the formula: Refractive index (n) = (apparent shift + 1) / actual shift.
Do not touch lenses. ALWAYS start with the least magnification, and work upwards. Clean slides and microscope when finished with it. Cover microscope with dust cover when not in use. Never swing the microscope.
Compound light microscope