Here are 10 One-word Answer Type Questions from the chapter “Measuring the Length of a Curved Line” based on your uploaded PDF content. Each question is followed by its answer and explanation:
Topic: Measuring the Length of a Curved Line
1. Question: What is used to measure a straight line?
Answer: Scale
Explanation: A scale is used to measure straight lines easily and accurately.
2. Question: What kind of line is difficult to measure with a scale?
Answer: Curved
Explanation: A curved line cannot be measured directly with a scale as it is not straight.
3. Question: What flexible object is used to measure a curved line?
Answer: Thread
Explanation: A thread can be placed along a curved line and then straightened to measure its length.
4. Question: What is the process of finding the size of something called?
Answer: Measurement
Explanation: Measurement is the process used to know the size, length, or height of an object.
5. Question: Which unit is commonly used to measure small lengths?
Answer: Centimetre
Explanation: Centimetre is used to measure small lengths like a pencil or a notebook.
6. Question: What do we call the line which is not straight?
Answer: Curved
Explanation: A line which bends or has turns is called a curved line.
7. Question: After measuring the curved line with a thread, what do we use to measure the thread?
Answer: Scale
Explanation: The thread is measured with a scale after placing it straight.
8. Question: What must be avoided while using a scale for measurement?
Answer: Error
Explanation: To measure correctly, one must avoid errors like not starting from zero or reading at an angle.
9. Question: What is the starting point of measurement on a scale?
Answer: Zero
Explanation: Measurement always starts from the zero mark on the scale.
10. Question: What is used to measure the length of curved paths in maps?
Answer: Divider
Explanation: A divider is used to measure curved distances on maps by marking small equal parts.
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