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प्रश्न
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.
- Why does it make sense to connect the points in this situation?
- Describe the overall trend, or pattern, in the way the temperature changes over the time period shown on the graph.
- Estimate the temperature at noon and 8 pm.
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उत्तर
- By connecting the points, it is easier to understand a change in the temperature.
- Initially the temperature was 8°C at 6 am and started increasing strictly till 1 pm and after that it decreased to 8°C till 12 pm.
- At 12 pm 19°C and at 8 pm 10°C.
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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.
- How high was Plant A after (i) 2 weeks (ii) 3 weeks?
- How high was Plant B after (i) 2 weeks (ii) 3 weeks?
- How much did Plant A grow during the 3rd week?
- How much did Plant B grow from the end of the 2nd week to the end of the 3rd week?
- During which week did Plant A grow most?
- During which week did Plant B grow least?
- Were the two plants of the same height during any week shown here? Specify.
Can there be a time-temperature graph as follows? Justify your answer.
Can there be a time-temperature graph as follows? Justify your answer.
Draw the temperature-time graph in each of the following cases:
| Time (in hours): | 8:00 | 10:00 | 12:00 | 14:00 | 16:00 | 18:00 | 20:00 |
| Temperature (°F) in: | 100 | 101 | 104 | 103 | 99 | 98 | 100 |
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!
A graph that displays data that changes continuously over periods of time is ______.
Which graphs of the following represent the table below?
| Length of Side of a Square | 1 | 2 | 3 | 4 | 5 |
| Perimeter | 4 | 8 | 12 | 16 | 20 |
A line graph can also be a whole unbroken line.
Plot a line graph for the variables p and q where p is two times q i.e, the equation is p = 2q. Then find.
- the value of p when q = 3
- the value of q when p = 8
