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प्रश्न
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उत्तर
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संबंधित प्रश्न
Draw a neat and labelled diagram of a screw gauge.
Name its main parts and state their functions.
In the vernier callipers, there are 10 divisions on the vernier scale and 1 cm on the main scale is divided into 10 parts. While measuring the length, the zero of the vernier lies just ahead of the 1.8 cm mark and the 4th division of vernier coincides with a main scale division.
(a) Find the length.
(b) If zero error of vernier callipers is -0.02 cm,
What is the correct length ?
How can the least count of a screw gauge be decreased?
Who invented vernier callipers?
What is the function of ratchet in the screw gauge?
State whether the following statement is true or false by writing T/F against it.
A metre scale can measure a length of 6.346 cm.
Consider the following case where the zero of vernier scale and the zero of the main scale are clearly seen. If L.C. of the vernier calipers is 0.01 cm, write the zero error and zero correction of the following.
The precision of vernier calipers is ______ mm.
