Question 11 MarkThe metre scale, vernier calipers, and screw gauge are in decreasing order of least count.AnswerTrueView full question & answer→
Question 21 MarkThe ratchet of a screw gauge is used to measure the depth of a beaker.AnswerFalseThe ratchets are used to hold the object under measurement gently between the studs.View full question & answer→
Question 31 MarkA metre scale can measure a length of 6.346 cm.AnswerFalsebecause its least count is limited to 0.1 cm. thus this length can be measured with an instrument of least count of 0.001 cm i.e. screw gaugeView full question & answer→
Question 41 MarkThe least count of a screw gauge can be lowered by increasing the number of divisions on its thimble.AnswerTrueView full question & answer→
Question 51 MarkThe diameter of a wire can be measured more accurately by using vernier calipers than by a screw gauge.AnswerFalsebecause the accuracy is higher in case of screw gauge due to lower least count value of 0.01mmView full question & answer→