SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When you want to measure the thickness of a small block of metal accurately in cm, you would use ____ ?
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Metre ruler
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Micrometer screw gauge
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30 cm ruler
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Vernier Calipers
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Explanation:
Detailed explanation-1: -You can read the main scale to the nearest tenth of a centimeter. The vernier consists of 50 divisions, meaning that 0.1 cm is divided into 50 parts and the final least count is 0.1 cm/50 = 0.002 cm = 1/50 mm.
Detailed explanation-2: -A measuring instrument that would be utilized to measure linear dimensions. It is also utilized to estimate the diameters of circular items using the measuring jaws.
Detailed explanation-3: -Vernier calipers commonly used in industry provide a precision to 0.01 mm (10 micrometres), or one thousandth of an inch. They are available in sizes that can measure up to 1828 mm (72 in).
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