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Q-The distance moved by the screw of a screw gauge is 2mm in four rotations and their are 50divisions on its cap.When nothing is put between its jaws,30thdivision of circular scale concides with refrence line ,with zero of circular scale lying above the refrence line.when a plate is placed between the jaws,the main scale reads 2 divisions and circular scale reads 20divisions.Thickness of plate is?

Q-The distance moved by the screw of a screw gauge is 2mm in four rotations and their are 50divisions on its cap.When nothing is put between its jaws,30thdivision of circular scale concides with refrence line ,with zero of circular scale lying above the refrence line.when a plate is placed between the jaws,the main scale reads 2 divisions and circular scale reads 20divisions.Thickness of plate is?

Grade:11

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