Precautions while measuring length is:

Ruler should be placed very close to the object along its length

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Eye should be kept exactly in front of the point of measurement

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Avoid taking readings from the zero mark of the ruler with broken edges

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All of the above

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Solution

The correct option is D. All of the above
All of the above given points should be kept in mind while measuring length.

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Similar questions

Q. Discuss the precautions that one should take while measuring length with a ruler.

The zero mark of a ruler is broken and the length of a box is measured from 2 cm mark of the ruler. The length is found to be 20 cm. What is the actual length of box?

The correct position of the eye is very important for taking measurements. There might be an error in the reading if our eye is not completely in front of the ruler mark. What is the name of this error?

Q. While measuring length using a metre scale, the position of the eye
(a) should be vertically above the 0-mark of the scale.
(b) should be vertically above the point where the measurement is to be taken.
(c) should be a little away from the point where the measurement is to be taken.
(d) does not matter as long as the scale is accurate.

The scale should be kept _______ the length while measuring a length.

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Precautions while measuring length is:

The correct option is D. All of the above All of the above given points should be kept in mind while measuring length.

The correct option is D. All of the above
All of the above given points should be kept in mind while measuring length.