Home
Class 11
PHYSICS
The circular scale of screw gauge has 10...

The circular scale of screw gauge has 100 equal divisions. Its screw pitch is 1 mm. This gauge measures the diameter of a wire of length 5.6 cm. The main scale and the circular scale readings are observed to be 1 mm and 47 respectively. Calculate the area in `cm^(2)` of the curved surface of the wire keeping the significant figures only.

Text Solution

Verified by Experts

The correct Answer is:
2.6 `cm^(2)`
Promotional Banner

Topper's Solved these Questions

  • MEASUREMENT AND DIMENSION OF PHYSICAL QUANTITY

    CHHAYA PUBLICATION|Exercise ENTRANCE CORNER ( Assertion-reason type )|7 Videos

  • MEASUREMENT AND DIMENSION OF PHYSICAL QUANTITY

    CHHAYA PUBLICATION|Exercise Multiple correct answers type|5 Videos

  • MEASUREMENT AND DIMENSION OF PHYSICAL QUANTITY

    CHHAYA PUBLICATION|Exercise Problem Set -I (Based on Significant Figures )|3 Videos

  • KINETIC THEORY OF GASES

    CHHAYA PUBLICATION|Exercise CBSE Scanner|9 Videos

  • NATURE OF VIBRATION

    CHHAYA PUBLICATION|Exercise EXERCISE (CBSE SCANNER)|2 Videos

Similar Questions

Explore conceptually related problems

When the diameter of a wire is measured by a screw gauge the main scale and the circular scale readings are 0 mm and 52 respectively. Given screw pitch = 1mm and number of divisions on the circular scale = 100. Find out the diameter of the wire.

A screw gauge has 50 circular scale divisions and a pitch of 0.1 cm. When this is used to measure the thickness of a plate the main scale reading is 0.2 cm and the circular scale reading is 35. What is the thickness of the plate?

20 vernier divisions coincide with 19 main scale divisions of a vernier. The smallest main scale division is 0.5 mm. When it measures the side of a cube the main scale and the vernier readings are 10 mm and 2, respectively. If the mass of the cube is 2.736 g, find out the density of its material keeping the significant digits only.

A screw gauge has a pitch of 0.5 mm, and has 50 divisions on its circular scale. Its linear and circular scale readings are respectively 2 mm and 25 when the diameter of a sphere is measured by the gauge. The result of this measurement is

A screw gauge of pitch 1.0 mm has 200 divisions on its circular scale. Find out its least count.

The circular scale of screw gauge after two complete rotations advances 1 mm along the linear scale. The circular scale has 50 equal divisions and the mechanical error of the screw gauge is -0.03 mm . The linear scale reading =3 mm and the circular scale reading =35 when a student attempts to measure the diameter of a wire. Calculate the diameter from the given data.

Pitch of a screw gauze instrument is 0.5 mm and its circular scale is divided into 100 divisions. The least count of the instrument will be

What will be the increase in length of a wire of length 10 m undergoing a strain of 0.001%? If the cross sectional area of the wire 2mm^2 and the load applied at its end is 1 kg, then calculate the stress developed in dyn.cm^-2 .

A student measured the diameter of a small steel ball using a screw gauge of least count 0.001 cm. The main scale reading is 5 mm and zero of circular scale division coincides with 25 divisions above the reference level. If screw gauge has a zero error of -0.004 cm, the correct diameter of the ball is