Home
Class 11
PHYSICS
Assertion : A screw gauge having a smal...

Assertion : A screw gauge having a smaller value of pitch has greater accuracy.
Reason : The least count of screw gauge is directly proportional to the number of divisions on circular scale.

A

If both Assertion and Reason are correct and Reason is the correct explaination of Assertion.

B

If both Assertion and Reason are correct but Reason is not the correct explaination of Assertion.

C

If Assertion is true but Reason is false.

D

If Assertion is false but Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • UNITS, DIMENSIONS & ERROR ANALYSIS

    DC PANDEY|Exercise Match the column|6 Videos
  • UNITS, DIMENSIONS & ERROR ANALYSIS

    DC PANDEY|Exercise Medical entrances gallery|32 Videos
  • UNITS, DIMENSIONS & ERROR ANALYSIS

    DC PANDEY|Exercise Chapter exercises (taking it together)|61 Videos
  • UNIT AND DIMENSIONS

    DC PANDEY|Exercise Assertion And Reason|2 Videos
  • VECTORS

    DC PANDEY|Exercise Medical enrances gallery|9 Videos

Similar Questions

Explore conceptually related problems

Least count of screw gauge is defined as.

Accuracy of screw gauge can be increased by …………. The number of divisions on circular scale.

What is the least count of a standard screw gauge

Write the expression for pitch and least count a screw gauge.

In a screw gauge, the main scale has divisions in millimetre and circular scale has 50 divisions. The least count of screw gauge is

Pitch of a screw gauge is 0.5 mm and its least count is .01 mm, Calculate no. of divisons on its circular scale.

Measuring Intruments | Screw Gauge | Least count of screw gauge

Assertion (A): Least count of all screw based instruments is same. Reason (R ): Least count for all screw based instruments are found using the ratio of pitch per division of circular scale.

Answer the following : (a) You are given a tread and a metre scale. How will you estimate the diameter of the thread ? (b) A screw gauge has a pitch of 1.0 mm and 200 divisions on the circular scale. Do you think it is possible to increase the accuracy of the screw gauge arbitratily by increasing the number of divisions on the circular scale ? (c) The mean diameter of a thin brass rod is to be measured by vernier callipers. Why is a set of 100 measurements of the diameter expected to yield a more reliable estimate than a set of 5 measurement only ?