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Can there be a time-temperature graph as follows? Justify your answer.

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प्रश्न

Can there be a time-temperature graph as follows? Justify your answer.

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उत्तर

This cannot be a time-temperature graph since different temperatures at the same time are not possible. 

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 13: Introduction to Graphs - EXERCISE 13.1 [पृष्ठ १६३]

APPEARS IN

एनसीईआरटी Mathematics [English] Class 8
अध्याय 13 Introduction to Graphs
EXERCISE 13.1 | Q 7. (iii) | पृष्ठ १६३

संबंधित प्रश्न

The following graph shows the temperature of a patient in a hospital, recorded every hour.

  1. What was the patient’s temperature at 1 p.m.?
  2. When was the patient’s temperature 38.5°C?
  3. The patient’s temperature was the same two times during the period given. What were these two times?
  4. What was the temperature at 1.30 p.m.? How did you arrive at your answer?
  5. During which periods did the patients’ temperature showed an upward trend?

The following line graph shows the yearly sales figures for a manufacturing company.

  1. What were the sales in (i) 2002 (ii) 2006?
  2. What were the sales in (i) 2003 (ii) 2005?
  3. Compute the difference between the sales in 2002 and 2006.
  4. In which year was there the greatest difference between the sales as compared to its previous year?

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?

Can there be a time-temperature graph as follows? Justify your answer.


Can there be a time-temperature graph as follows? Justify your answer.


Can there be a time-temperature graph as follows? Justify your answer.


The following table shows the number of patients discharged from a hospital with HIV diagnosis in different years:

Years: 2002 2003 2004 2005 2006
Number of patients: 150 170 195 225 230

Represent this information by a graph.


Draw the temperature-time graph in each of the following cases:

Time (in hours): 7:00 9:00 11:00 13:00 15:00 17:00 19:00 21:00
Temperature (°F) in: 100 101 104 102 100 99 100 98

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?

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