Length of a Curved Line

Q.

What are a simple manometer and differential manometer?

Q.

Write the precautions, to be followed, when a metre scale is being used for measuring a given length.

Q. Which of the followings can be used to measure the length of a curved line?

1. Only a metre scale.
2. Only a thread
3. Both the metre scale and the thread
4. Only a graph paper

Q. Which of the following is used to measure the length of a curved surface?

1. Only a metre scale.
2. Only a thread
3. Both the metre scale and the thread
4. Only a graph paper

Q.

What is vertical circular motion?

Q. Virat is given the task of measuring a rigid curved steel rod as shown in the figure.
Which of the following objects should he use for getting the most accurate measurement?

Q. A curved trace or line is measured with the help of :

1. Thread only
2. Metre rod only
3. Thread and ruler
4. Ruler only

Q. Which of the following can be used to measure the length of a curved path?

1. String
2. Barometer
3. Weighing scale
4. Odometer

Q. Which of the following can be used to measure the length of a curved path?

1. String
2. Barometer
3. Weighing scale
4. Odometer

Q.

The photograph given in the figure shows a section of a grille made up of straight and curved iron bars. How would you measure the length of the bars of this section, so that the payment could be made to the contractor?

Q. Which of the following can be used to measure the length of a curve?

1. Metre scale
2. Thread
3. Graph paper
4. Both A and B

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

1. Holding the thread steadily with your fingers, stretch it along the curved line until you reach the other end
2. None of the above
3. Place the knotted end of the thread at one end of the curved line
4. Take a non-stretchable string or a thread and tie a knot at one of its ends

Q.

Question 13

The photograph given above shows a section of a grille made up of straight and curved iron bars. How would you measure the length of the bars of this section, so that the payment could be made to the contractor?

Q. For measuring a curve line which of the following can be used?

1. A straight rod
2. A non-stretchable string
3. Both A and B
4. A thread with a knot at one of it's ends.

Q.

Which of the following is the most suitable instrument for measuring length of a curved line?

1. Thermometer

2. Measuring cylinder

3. A human foot

4. Thread

Q. Which of the following can be used to measure the length of a curved path?

1. Odometer
2. String
3. Barometer
4. Weighing scale

Q. For measuring length of the curve line, one should have:

1. A thread to measure the length of the curve line
2. One steel rod to measure the length of the curve line
3. Both A and B
4. One scale to measure the length of the thread

Q. Which of the following can be used to measure the length of a curve?

1. Metre scale
2. Thread
3. Graph paper
4. Both A and B

Q.

Which of the following is the most suitable instrument for measuring length of a curved line?

1. Thermometer

2. Thread

3. A human foot

4. Measuring cylinder

Q.

Which of the following is the most suitable instrument for measuring length of a curved line?

1. A human foot

2. Thermometer

3. Measuring cylinder

4. Thread

Q. To measure the length of a curved line, you will use:

1. only geometric scale
2. only thread
3. iron bar
4. both a and b

Q. Which of the following can be used to measure the length of a curve?

1. Metre scale
2. Graph paper
3. Both A and B
4. Thread

Q. Which of the following can be used to measure the length of a curved path?

1. String
2. Barometer
3. Weighing scale
4. Odometer

Q. Virat is given the task of measuring a rigid curved steel rod as shown in the figure.
Which of the following objects should he use for getting the most accurate measurement?

1. Both a metre scale and a thread
2. Only a thread
3. Only a metre scale
4. A straight rod of known length