Home
Class 12
PHYSICS
A spherometer has 100 equal divisions ma...

A spherometer has 100 equal divisions marked along the periphery of its disc, and one full rotation of the disc advances on the main scale by 0.01cm. Find the least count of the system.

Text Solution

Verified by Experts

Given Pitch `= 0.01 cm`
`:.` Least count
`=("Pitch")/(" Total no. of divisions on the the circular scale")`
`= (0.01)/(100) cm=10^(-4)cm`.
Promotional Banner

Topper's Solved these Questions

  • UNITS AND DIMENSIONS, BASIC MATHEMATICS

    MOTION|Exercise Exercise - 1 (Objective Problems) (SECTON-A:- UNIT AND DIMENSION )|20 Videos
  • UNITS AND DIMENSIONS, BASIC MATHEMATICS

    MOTION|Exercise Exercise - 1 (Objective Problems) (SECTION - B : Dimension and use of dimensions )|28 Videos
  • UNIT & DIMENSIONS

    MOTION|Exercise Exercise - 4 (Level - II) (PREVIOUS YEAR JEE ADVANCED)|10 Videos
  • VECTOR

    MOTION|Exercise Exercise - 3|18 Videos

Similar Questions

Explore conceptually related problems

A spherometer has 250 equal divisions marked along the periphery of its disc, and one full rotation of the disadvances by 0.0625 cm on the main scale. What is the least count of the spherometer ?

A screw gauge has 200 equal divisions marked along the circumference of the disc and one full rotation of the disc advances on the main scale by 0.05 cm. The least count of screw gauge is

Circular scale of a screw gauge moves through 4 divisions of main scale in one rotation. If the number of divisions on the circular scale is 200 and each division of the main scale is 1 mm., the least count of the screw gauge is

If the number of divisions on the circular scale is 100 and number of full rotations given to screw is 8 and distance moved by the screw is 4 mm, then what will be least count of the screw gauge ?

A vernier calliper has 20 divisions on the vernier scale. One centimetre on the main scale is divided into 20 equal parts. Find the least count of this instrument.

An ammeter has 20 divisions between 0 A mark and 2 A mark on its scale. The least count of this ammeter is :

In a vernier callipers, 1 cm of the main scale is devided into 20 equal parts. 19 divisions of the main scale coincide with 20 divisions on the vernier scale . Find the least count of the instrument.

A vernier callipers has its main scale 10 cm equally divided into 250 parts its vernier scale is of 50 division and coincide with 15mm of the main scale the least count of the instrument is