Motion and Measurement of Distances Test

Result

Motion and Measurement of Distances Test - 17

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is/are correct?

A
Thread can be used to measure length of a zig-zag path

B
Wooden scale of $$30cm$$ can be used to measure the length of a small table

C
Tape can be used to measure the length of shoe size

D
All of the above

Solution

$$\begin{array}{l}\text { Thread has a fixed length but can be } \\\text { bent into any } 2D \text { shape , so it can used } \\\text { for be measure length of a zigzag path }\\\text { wooden scale canbe used to measure any straight }\\\text { object. } \\\text { Tape can be used to measure the length of } \\\text { shoe size. }\end{array}$$
Question 2
1 / -0

Which of the following is not true about the method of measuring a curve line?

A
Take a non-stretchable string or a thread and tie a knot at one of its ends

B
Place the knotted end of the thread at one end of the curved line

C
Holding the thread steadily with your fingers, stretch it along the curved line until you reach the other end

D
None of the above

Solution

A curved line or surface cannot be measured by a straight scale, a measuring tape or thread must be used instead.To measure a curved line using a thread, follow the below steps:

Tie a knot at one end of the thread.
Place the thread at the beginning of the line and try to measure a small initial portion of the line which is relatively straight.
Place your thumb at the other end of the measured portion and measure next straighter portion.
Repeat the above step till the end of line is reached. Make a knot at the end of the line.
Now, straighten the thread and measure the length of the two knots on a scale.

All the three steps given above to measure the curve line are correct. So, option D is correct.
Question 3
1 / -0

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

A
Wooden scale

B
Metre tape

C
Hand span

D
All of the above

Solution

In the ancient time, people used hand span to measure the length of object.
Question 4
1 / -0

Which of the following is correct regarding correct method of measuring length?

A
Correct position of the eye is also important for taking measurement

B
We should not use a scale which does not have the zero mark quality

C
Your eye must be exactly in front of the point where the measurement is to be taken

D
All of the above

Solution

For measuring the length of the object, proper precautions must be taken. The correct position of the eye is also important for taking the measurement. The observer's eye must be exactly in front of the point where the measurement is to be taken. For measurement, a scale that does not have a zero-mark must not be used.
Question 5
1 / -0

Which of the following is not correctly measured?

A

B

C

D

Solution

While measuring the length of object, we should keep the one end of the object at the mark zero of the scale and the mark of other end gives the length of the object.
Thus option D is not the correct way of measuring the length of object.
Question 6
1 / -0

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?

A
Pankaj

B
Rohit

C
Aseem

D
All of them will get same length

Solution

Since the rod is not straight, rather it is bent. So correct way to measure the length of the bent rod is to use a thread from one end of rod to another and then measure the length of the thread used using a metre scale. Thus Rohit will measure the length of the rod most accurately.
Question 7
1 / -0

Which among the following is the cheapest mode of transportation?

A
Air transportation

B
Water transportation

C
Road transportation

D
Rail transportaation

Solution

Air transportation is the costliest mode of transportation whereas rail transportation is the cheapest mode of transportation.
Question 8
1 / -0

Which of the following is/are true regarding transportation?

A
Transport is a means of carrying goods and people from one place to another

B
Transport refers to the activity that facilitates the physical movement of goods from one location to another location

C
Transport refers to the activity that facilitates the physical movement of individuals from one location to another

D
All of the above

Solution

Transport, or transportation, is the movement of humans, animals, and goods from one location to another. In other words, the action of transport is defined as a particular movement of an organism or thing from point $$A$$ to point $$B$$. Modes of transport include air, land, water, cable, pipeline, and space.
Question 9
1 / -0

Which type of motion of an object that moves at a fixed distance from a fixed point?

A
Periodic motion

B
Rectilinear motion

C
Circular motion

D
None of the above

Solution

Circular motion is the motion of an object that moves at a fixed distance from a fixed point. Here the fixed distance is the radius of the circle.
Question 10
1 / -0

Which of among the following is the costliest mode of transportation?

A
Air transport

B
Railway transportation

C
Water transportation

D
Road transportation

Solution

Air transportation is the costliest mode of transportation whereas rail transportation is the cheapest mode of transportation.