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प्रश्न
State whether the following statement is true or false by writing T/F against it.
The ratchet of a screw gauge is used to measure the depth of a beaker.
पर्याय
True
False
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उत्तर
False
The ratchets are used to hold the object under measurement gently between the studs.
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संबंधित प्रश्न
State the purpose of ratchet in a screw gauge.
The pitch of a screw gauge is 0.5 mm and the head scale is divided in 100 parts. What is the least count of a screw gauge?
Fig., below shows the reading obtained while measuring the diameter of a wire with a screw gauge. The screw advances by 1 division on the main scale when circular head is rotated once.
Find:
(i) Pitch of the screw gauge,
(ii) Least count of the screw gauge and
(iii) The diameter of the wire.
Up to how many decimal places can a common vernier callipers measure the length in cm?
State the formula for calculating the least count of screw.
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A measuring cylinder is filled with water up to a level of 30 ml. A solid body is immersed in it so that the level of water rises to 37 ml. Now the solid body is tied with a cork and then immersed in water so that the water level rises to 40 ml. Find the volume of the solid body and the cork.
The Wavelength of a particular colour is 5400Å. Express it in nanometer and metre.
