Use the following information to answer the next question.

Akram has a piece of thread. He measures the length of a table using this thread. He has to place the thread eight times along the length of the table to measure its length. Then, he folds the thread twice at its mid point and again measures the length of the same table.

How many times does Akram have to place the folded thread along the length of the table?

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Solution

The correct option is D
32

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Similar questions

Use the following information to answer the next question.

The length of a thread is 10-hand spans. It is used to measure the circumference of a solid cylinder. For this purpose, the thread is wound around the circumference of the cylinder.

If the thread is wound around the cylinder five times, then what is the circumference of the cylinder?

Q. A student did an experiment to determine the Youngs modulus

(Y)

of a nylon thread,

2.00 m

in length, using Searles method. A Vernier callipers having a least count of

0.01 m m

was used to measure the diameter of the thread. The length and extensions were measured by using a scale with a least count of

1 m m

. The data obtained by the student are shown in the table below. Assume the uncertainty in force to be

0.01 N

Length of the thread	$1994 m m$
Force	$0.32 N$
Extension of the thread	$95 m m$
Diameter of the thread	$0.04 m m$

Choose the correct alternative(s).

Q. A uniform chain of mass

m

and length

l

hangs on a thread and touches the surface of the table by its lower end. The thread breaks suddenly, find the force exerted by the table on the chain when half of its length has fallen on the table. The fallen part does not form a heap.

Q. Arrange the steps involved in the measurement of a curved line in a correct sequence.
A. Mark the start point and the end point on the thread upto which you want to measure the length.
B. Place the thread along the curved line.
C. Place the thread on the scale starting from zero to the marked end point on thread and measure it.

A piece of a thread is used to measure lengths and distances in ______ objects.

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The correct option is D 32

The correct option is D
32