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Question (1)

QN004035

Which material is commonly used to measure the length of a curved line accurately?

(A) Metre rod
(B) Thread
(C) Handspan
(D) Wooden ruler only

Correct Answer: B

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Question (2)

QN004036

The first step in measuring a curved line using a thread is to

(A) measure the thread with a scale
(B) place the thread along the curved path
(C) cut the thread into pieces
(D) mark centimetres on the thread

Correct Answer: B

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Question (3)

QN004037

After placing a thread along a curved line, the next step is to

(A) stretch it along a scale and measure its length
(B) fold the thread
(C) weigh the thread
(D) divide the thread into equal parts

Correct Answer: A

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Question (4)

QN004038

Why is a straight ruler not suitable for measuring a curved line directly?

(A) It is too heavy
(B) It cannot follow the curve accurately
(C) It has fewer markings
(D) It is expensive

Correct Answer: B

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Question (5)

QN004039

Which property of a thread makes it useful for measuring curved lines?

(A) Thickness
(B) Rigidity
(C) Flexibility
(D) Transparency

Correct Answer: C

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Question (6)

QN004040

A thread placed along a curved line measures 12 cm when stretched on a scale. What is the length of the curved line?

(A) 6 cm
(B) 12 cm
(C) 24 cm
(D) 10 cm

Correct Answer: B

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Question (7)

QN004041

A curved path is traced using a thread. The stretched thread measures 15.8 cm. The curved path length is

(A) 15.8 cm
(B) 31.6 cm
(C) 7.9 cm
(D) 14.8 cm

Correct Answer: A

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Question (8)

QN004042

Which instrument is finally used to read the length of the stretched thread?

(A) Thermometer
(B) Balance
(C) Measuring scale
(D) Compass

Correct Answer: C

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Question (9)

QN004043

A curved line is measured with a thread. The thread extends from 0 cm to 18.5 cm on a scale. The curved line length is

(A) 18.5 cm
(B) 8.5 cm
(C) 1.85 cm
(D) 185 cm

Correct Answer: A

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Question (10)

QN004044

Why should the thread be kept exactly along the curved line?

(A) To make the measurement larger
(B) To obtain an accurate measurement
(C) To reduce scale markings
(D) To shorten the thread

Correct Answer: B

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Question (1)

Which material is commonly used to measure the length of a curved line accurately?

Explanation:

Link:

Question (2)

The first step in measuring a curved line using a thread is to

Explanation:

Link:

Question (3)

After placing a thread along a curved line, the next step is to

Explanation:

Link:

Question (4)

Why is a straight ruler not suitable for measuring a curved line directly?

Explanation:

Link:

Question (5)

Which property of a thread makes it useful for measuring curved lines?

Explanation:

Link:

Question (6)

A thread placed along a curved line measures 12 cm when stretched on a scale. What is the length of the curved line?

Explanation:

Link:

Question (7)

A curved path is traced using a thread. The stretched thread measures 15.8 cm. The curved path length is

Explanation:

Link:

Question (8)

Which instrument is finally used to read the length of the stretched thread?

Explanation:

Link:

Question (9)

A curved line is measured with a thread. The thread extends from 0 cm to 18.5 cm on a scale. The curved line length is

Explanation:

Link:

Question (10)

Why should the thread be kept exactly along the curved line?

Explanation:

Link:

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