Traditional Ways of Measuring Lengths

Q.

What is Least Count of Steel Rule?

Q.

A cloth merchant uses a metre rod for measuring the length of the cloth piece, while a tailor uses a tape for measurement.

1. False

2. True

Q.

Which appropriate unit is used to measure the thickness of the thin copper wire?

1. cm

2. mm

3. km

4. m

Q.

______ of an object is the distance between its two extreme ends.

Q.

The comparison of an unknown quantity with a fixed known quantity is called.

Q. You are provided three scales A, B and C as shown in figure to measure a length of 11 cm. Which of the following scale(s) can you use for correct measurement?

Scale A Scale B Scale C

Q. In ancient time people used which of the following to measure length?

1. Wooden scale
2. Metre tape
3. Hand span
4. All of the above

Q.

In ancient times, a cubit was used to measure the mass of an object

1. True
2. False

Q. Which of the following is a unit of length?

1. m/s
2. s
3. m
4. mps

Q. Identify the incorrect method of measuring the length in ancient times.

1. Hand Span: Maximum distance between the tips of the thumb and little finger
2. Cubit: Length from the elbow to the fingertips
3. Palm: Length of foot
4. Yard: Distance between the end of the outstretched arm and chin

Q. 1 foot = ______ inches.

1. 12
2. 36
3. 6
4. 24

Q. Statement I: Measurement means determining the value of a known quantity by comparing with an unknown quantity of same nature.
Statement II: The value of a physical quantity has a number and unit associated with it.

1. Both statements are correct, and statement II is correct explanation of statement I.

2. Statement I is correct, but statement II is incorrect.

3. Both statements are correct, but statement II is not the correct explanation of statement I.

4. Statement I is incorrect, but statement II is correct.

Q.

Most commonly used instrument to measure the length in the day-to-day life of a straight line is ________.

Q.

A teacher asked her students to measure the length of their classroom

Rekha said, I can do it by counting my footsteps.

Renu said, I will measure it using my skipping rope. rest

Ramesh said, I will measure it using the rest position. measuring tape.

Which of them is true.

1. . Only Rekha will be able to measure rooms length.

2. . Only Ramesh will be able to do that.

3. All will be able to do it, but Renus method is best

4. All will be able to do it, but Rameshs method is best

Q. Why can a pace or a footstep not be used as a standard unit of length?

Q. A stack of 22 identical coins is measured using a ruler as shown. Find the thickness of one coin.

Q.

How can you measure the length of a curved line?

Q. Circumference of the tree trunk can be measured using:

1. I only
2. I and III
3. I and IV
4. None of them

Q.

Standard units of measurement are necessary- Why?

Q. 1 foot = ______ inches.

1. 6
2. 12
3. 24
4. 36

Q.

Question 3

Why can a pace or a footstep not be used as a standard unit of length?

Q.

Only units of the SI and those units recognized for use with the SI are not used to express the values of quantities.

1. True

2. False

Q. Measuring height of your classmate will be more suitable by using which of the following?

1. Metre scale
2. All of the above
3. Hand span
4. Metre tape

Q. helps us to put values for various quantities such as length, mass, temperature and many more.

1. Measurement
2. Science
3. Intuition

Q. Length of a curved line can be measured by using a :

1. Ruler
2. String
3. Hand-span
4. Cubit

Q.

Arrange the following lengths in their increasing order. [1 MARK]

1 meter, 1 centimeter, 1 kilometer, 1 millimeter

Q. Once upon a time, Pankaj, Aseem and Rohit went to roam in Rome. Suddenly they found a golden colored bent rod. All of them were curious to find the length of the rod. Pankaj, measured the rod with metre tape, Aseem was a bit lazy so he used his hand to find the length of the rod and Rohit measured with thread and later he found out the length of the thread by using Pankaj's metre tape. Now can you tell who will get the most accurate length of the rod?

1. Pankaj
2. Rohit
3. Aseem
4. All of them will get same length

Q. Measurement is the comparison of an unknown quantity with a known quantity.

1. True
2. False

Q. Which of the following were units used in ancient India?

1. Mutthi, Angul
2. Kilometre, Metre
3. Centimetre, Metre
4. Foot, Yard

Q. In a bundle of $20$ sticks, there are $4$ sticks each of length $1m50cm$, $10$ sticks each of length $2$ m and each of the rest of length $1$ m. What is the average length of the sticks in the bundle?

1. $1.2$ m
2. $1.5$ m
3. $1.6$ m
4. $1.8$ m