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Class 6 Exam  >  Class 6 Tests  >  Important Questions Test: Measurement of Length and Motion - Class 6 MCQ

Important Questions Test: Measurement of Length and Motion - Class 6 MCQ


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15 Questions MCQ Test - Important Questions Test: Measurement of Length and Motion

Important Questions Test: Measurement of Length and Motion for Class 6 2025 is part of Class 6 preparation. The Important Questions Test: Measurement of Length and Motion questions and answers have been prepared according to the Class 6 exam syllabus.The Important Questions Test: Measurement of Length and Motion MCQs are made for Class 6 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Important Questions Test: Measurement of Length and Motion below.
Solutions of Important Questions Test: Measurement of Length and Motion questions in English are available as part of our course for Class 6 & Important Questions Test: Measurement of Length and Motion solutions in Hindi for Class 6 course. Download more important topics, notes, lectures and mock test series for Class 6 Exam by signing up for free. Attempt Important Questions Test: Measurement of Length and Motion | 15 questions in 15 minutes | Mock test for Class 6 preparation | Free important questions MCQ to study for Class 6 Exam | Download free PDF with solutions
Important Questions Test: Measurement of Length and Motion - Question 1
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Why is measurement important in daily life?

Detailed Solution for Important Questions Test: Measurement of Length and Motion - Question 1
  • Accurate Communication: Measurement ensures that everyone understands quantities, sizes, and distances clearly. This is crucial in conversations about products, services, or projects.
  • Everyday Activities: From cooking to shopping, precise measurements help in achieving desired results, like a perfect recipe or getting the right amount of groceries.
  • Safety and Efficiency: In construction or DIY projects, correct measurements prevent accidents and ensure structures are built properly.
Important Questions Test: Measurement of Length and Motion - Question 2
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Which of the following is an example of measuring with body parts?

Detailed Solution for Important Questions Test: Measurement of Length and Motion - Question 2
- Option 3, using a handspan to measure a table, is an example of measuring with body parts.
- Measuring with body parts refers to using physical dimensions of the body, like hands, feet, or arms.
- Historically, people relied on these body measurements for everyday tasks before standardized tools were invented.
- This method is practical for quick, informal measurements and provides a personal reference point for size.
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Important Questions Test: Measurement of Length and Motion - Question 3
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What is a major disadvantage of using body parts for measurement?

Detailed Solution for Important Questions Test: Measurement of Length and Motion - Question 3

- Using body parts for measurement can lead to inconsistencies because everyone's body sizes and shapes differ.
- For example, one person's foot may be larger than another's, making it unreliable to use foot length as a standard measure.
- This variability means that measurements can change from person to person, which can cause confusion and inaccuracies.
- Therefore, while using body parts might seem convenient, it is not a dependable method for precise measurements.

Important Questions Test: Measurement of Length and Motion - Question 4
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Which ancient Indian unit of measurement is still used by traditional workers?
Detailed Solution for Important Questions Test: Measurement of Length and Motion - Question 4
- The term "Angula" refers to the width of a finger and was a common unit of measurement in ancient India.
- It is approximately equal to 1.5 inches or 3.8 centimeters.
- Traditional craftsmen, such as carpenters and tailors, still utilize Angula for precise measurements, as it offers a practical and easily relatable standard.
- This reflects the continuity of ancient practices in modern times, especially in traditional trades where tools may be limited.
Important Questions Test: Measurement of Length and Motion - Question 5
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What is the standard SI unit of length?
Detailed Solution for Important Questions Test: Measurement of Length and Motion - Question 5
- The standard SI unit of length is the metre (C).
- The metre is defined based on the distance light travels in a vacuum in a specific fraction of a second.
- It is widely used globally for scientific and everyday measurements.
- Other units like inches, feet, and miles are not part of the SI system and are primarily used in specific regions or contexts.
- Using the metre ensures consistency and accuracy in measurements across different fields.
Important Questions Test: Measurement of Length and Motion - Question 6
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Which unit is used to measure very large distances?
Detailed Solution for Important Questions Test: Measurement of Length and Motion - Question 6
- A kilometre (km) is a metric unit that equals 1,000 metres, making it suitable for measuring long distances.
- It is commonly used for travel distances, like those between cities or along roads.
- Smaller units like centimetres and millimetres are more appropriate for shorter lengths, such as measuring objects or small spaces.
- Therefore, for large distances, the kilometre is the most practical and widely accepted unit.
Important Questions Test: Measurement of Length and Motion - Question 7
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How many centimetres are there in one metre?
Detailed Solution for Important Questions Test: Measurement of Length and Motion - Question 7

In the metric system: One metre is equal to 100 centimetres. This conversion is essential for understanding length measurements.

Important Questions Test: Measurement of Length and Motion - Question 8
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Which of the following is the smallest unit of length?
Detailed Solution for Important Questions Test: Measurement of Length and Motion - Question 8
- The smallest unit of length among the options is a millimetre (mm).
- 1 millimetre is equal to 1/1000 of a metre.
- Comparatively, a centimetre (cm) is 10 mm, a metre (m) is 1000 mm, and a kilometre (km) is 1,000,000 mm.
- Thus, millimetres are the smallest measurement in this list, making them ideal for precise measurements in various contexts.
Important Questions Test: Measurement of Length and Motion - Question 9
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How can a visually challenged person measure length?
Detailed Solution for Important Questions Test: Measurement of Length and Motion - Question 9
- Visually challenged individuals can effectively use special measuring tools designed for tactile feedback.
- These tools often feature raised markings or braille, allowing users to feel the measurements with their fingers.
- By sliding their fingers along the scale, they can accurately determine lengths without needing sight.
- This method promotes independence and precision, making it a practical solution for measuring lengths.
Important Questions Test: Measurement of Length and Motion - Question 10
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What is the correct way to position a scale while measuring?
Detailed Solution for Important Questions Test: Measurement of Length and Motion - Question 10
The scale must be placed in contact with the object along its length for accurate measurement.
Important Questions Test: Measurement of Length and Motion - Question 11
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What is the correct position of the eye while reading a scale?
Detailed Solution for Important Questions Test: Measurement of Length and Motion - Question 11
Correct Position of the Eye While Reading a Scale
  • Avoid Parallax Error: Viewing the scale directly above eliminates any distortion in reading caused by the angle of your eye.
  • Accurate Measurement: Being directly above the scale ensures you see the exact value without misinterpretation.
  • Consistent Results: This method provides reliable readings every time, minimizing mistakes in measurements.
Important Questions Test: Measurement of Length and Motion - Question 12
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Which instrument is best for measuring the circumference of a tree trunk?
Detailed Solution for Important Questions Test: Measurement of Length and Motion - Question 12
A flexible measuring tape wraps around curved objects for accurate measurement.
Important Questions Test: Measurement of Length and Motion - Question 13
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Which type of motion happens in a straight line?
Detailed Solution for Important Questions Test: Measurement of Length and Motion - Question 13
Linear motion occurs when an object moves in a straight path, like a car on a road.
Important Questions Test: Measurement of Length and Motion - Question 14
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What type of motion does a pendulum exhibit?
Detailed Solution for Important Questions Test: Measurement of Length and Motion - Question 14

A pendulum moves back and forth about a fixed point in a regular and repeating manner. This type of motion, where an object moves to and fro around a mean position, is called oscillatory motion.

Why not the others:

a) Circular motion – The pendulum bob moves along an arc, which is part of a circle, but it does not complete full circles continuously, so it's not considered pure circular motion.
b) Linear motion – The pendulum does not move in a straight line.
d) Random motion – The motion is regular and predictable, not random.

Key point: Any motion that repeats regularly around a central point is oscillatory.

Important Questions Test: Measurement of Length and Motion - Question 15
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What is a reference point used for?
Detailed Solution for Important Questions Test: Measurement of Length and Motion - Question 15
- A reference point is a stationary object used to determine the position of another object.
- For example, if you're watching a car move, a tree can serve as a reference point.
- If the car moves away from the tree, it is in motion; if it stays the same distance from the tree, it is at rest.
- This comparison allows us to understand the motion and position of objects relative to something fixed.
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