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The wavelength of light of a particular colour is 5800 Å.
Express it in nanometre.
Define metre according to the old definition.
What do you understand by the following term as applied to micrometre screw gauge?
Sleeve cylinder
The Wavelength of a particular colour is 5400Å. Express it in nanometer and metre.
State whether the following statement is true or false by writing T/F against it.
The least count of a screw gauge can be lowered by increasing the number of divisions on its thimble.
The following diagrams (Fig. 5) show the use of a vernier caliper under three different situations. Study the diagrams carefully and note down the vernier readings in each case.
(a) Measuring the diameter of the rod
(b) Measuring Internal diameter of a cavity
(c) Measuring depth of a cavity
How will you measure the least count of vernier caliper?
In a vernier calliper, (N + 1) divisions of the vernier scale coincide with N divisions of the main scale. If 1 MSD represents 0.1 mm, the vernier constant (in cm) is ______.
