हिंदी

A line graph can also be a whole unbroken line.

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प्रश्न

A line graph can also be a whole unbroken line.

विकल्प

  • True

  • False

MCQ
सत्य या असत्य
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उत्तर

This statement is True.

Explanation:

A fine graph, which represents the variation of a quantity with respect to the other, may be an unbroken line.

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अध्याय 12: Introduct To Graphs - Exercise [पृष्ठ ३७७]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 8
अध्याय 12 Introduct To Graphs
Exercise | Q 27. | पृष्ठ ३७७

संबंधित प्रश्न

For an experiment in Botany, two different plants, plant A and plant B were grown under similar laboratory conditions. Their heights were measured at the end of each week for 3 weeks. The results are shown by the following graph.

  1. How high was Plant A after (i) 2 weeks (ii) 3 weeks?
  2. How high was Plant B after (i) 2 weeks (ii) 3 weeks?
  3. How much did Plant A grow during the 3rd week?
  4. How much did Plant B grow from the end of the 2nd week to the end of the 3rd week?
  5. During which week did Plant A grow most?
  6. During which week did Plant B grow least?
  7. Were the two plants of the same height during any week shown here? Specify.

The following graph shows the temperature forecast and the actual temperature for each day of a week.

  1. On which days was the forecast temperature the same as the actual temperature?
  2. What was the maximum forecast temperature during the week?
  3. What was the minimum actual temperature during the week?
  4. On which day did the actual temperature differ the most from the forecast temperature?

Use the tables below to draw linear graphs.

The number of days a hill side city received snow in different years.

Year 2003 2004 2005 2006
Days 8 10 5 12 

Draw the velocity-time graph from the following data:

Time (in hours): 7:00 8:00 9:00 10:00 11:00 12:00 13:00 14:00
Speed (in km/hr): 30 45 60 50 70 50 40 45

Find out from the growth chart

  • Between which days did the length of the plant change the most?

Find out from the growth chart

  • Will the plant keep growing all the time? What will be its length on the 100th day? Make a guess!

Study the given graph and complete the corresponding table below.


Study the graph and answer the questions that follow.

  1. What information does the graph give?
  2. On which day was the temperature the least?
  3. On which day was the temperature 31°C?
  4. Which was the hottest day?


The following graph shows the change in temperature of a block of ice when heated. Use the graph to answer the following questions:

  1. For how many seconds did the ice block have no change in temperature?
  2. For how long was there a change in temperature?
  3. After how many seconds of heating did the temperature become constant at 0°C?
  4. What was the temperature after 25 seconds?
  5. What will be the temperature after 1.5 minutes? Justify your answer.


As part of his science project, Prithvi was supposed to record the temperature every hour one Saturday from 6 am to midnight. At noon, he was taking lunch and forgot to record the temperature. At 8:00 pm, his favourite show came on and so forgot again. He recorded the data so collected on a graph sheet as shown below.

  1. Why does it make sense to connect the points in this situation?
  2. Describe the overall trend, or pattern, in the way the temperature changes over the time period shown on the graph.
  3. Estimate the temperature at noon and 8 pm.

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