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A vernier callipers gives with an auxiliary (or vernier) scale in addition to the major measurement scale. The vernier scale may be slide with the main scale. The vernier scale is so marked that the length of total number of divisions on it is lesser by length of one division on major scale.
The least count of vernier scale is computed by using the following formula
Least count of vernier scale (or vernier constant)=
or
Least count (vernier constant) = 1 M.S.D.(Major measurement division) - 1 V.S.D.(vernier scale division).
Zero error of vernier callipers: If the zero marking of major scale and vernier callipers does not coincide, essential correction has to be created for this error which is called as zero error of the instrument. If the no error of the vernier measurement scale is to the right of the zero of the major scale the zero error is said to be positive & the correction will be negative or vice versa.
Explain electrical conductivity of a conductor and give its S.I. unit. Write S.I. unit of magnetic flux. Is it a vector or a scalar quantity?
Positive rays are sometimes called as the canal waves. These were found by Goldstein. If the cathode of a discharged tube has holes in it and the pressure of the gas is around 10-3
IMPULSE: When a force acts on a body for a very short time, the product of the force and the time for which the force acts, is called the impulse or impulse of force".
Steelyards Either Roman or Danish steelyards can be improvised using short lengths of lead or iron water pipe as counter-weights and loops of wire s pivots. The rod can be o
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if CPH has mass, so CPH Theory is able explain the universe future. Universe should collapse. And it is able explain dark matter too. Am I wrong? Answer; you are correct that C
What are bare fibers? It used mostly with PMMA fibers and refers to the optics which have no external protection sheath.
A charge Q is to be distributed between the objects . what should be the magnitude of the charge on the object so that positive force between the object is maximum?
how ultrasonic wave detect by piezoelectric detector ?
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