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प्रश्न
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उत्तर
Two limitations of metre rule
(a). There comes an error of parallax due to the thickness of the metre rule.
(b). We cannot use metre rule for measuring small thickness.
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संबंधित प्रश्न
State three uses of the vernier callipers.
Why is the metre length in terms of the wavelength of light considered more accurate?
The least count of a vernier callipers is 0.01 cm and it has an error of + 0.07 cm. While measuring the radius of a sphere, the main scale reading is 2.90 cm and the 5th vernier scale division coincides with the main scale. Calculate the correct radius.
Which part of vernier callipers is used to measure the internal diameter of a hollow cylinder?
The circular scale of a screw gauge has 50 divisions. Its spindle moves by 2 mm on the sleeve, when given four complete rotations calculate
- pitch
- least count
What is the function of ratchet in the screw gauge?
Name the measuring employed to measure the thickness of a paper.
Define the least count of an instrument.
