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प्रश्न
Can there be a time-temperature graph as follows? Justify your answer.
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उत्तर
This can be a time-temperature graph, as the temperature can increase with the increase in time.
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संबंधित प्रश्न
The following line graph shows the yearly sales figures for a manufacturing company.
- What were the sales in (i) 2002 (ii) 2006?
- What were the sales in (i) 2003 (ii) 2005?
- Compute the difference between the sales in 2002 and 2006.
- In which year was there the greatest difference between the sales as compared to its previous year?
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.
The following table shows the sales of a commodity during the years 2000 to 2006.
| Years: | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 |
| Sales (in lakhs of Rs): | 1.5 | 1.8 | 2.4 | 3.2 | 5.4 | 7.8 | 8.6 |
Draw a graph of this information.
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 |
Find out from the growth chart
- What could be the length of this plant on the 14th day? Guess.
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
The following graph shows the change in temperature of a block of ice when heated. Use the graph to answer the following questions:
- For how many seconds did the ice block have no change in temperature?
- For how long was there a change in temperature?
- After how many seconds of heating did the temperature become constant at 0°C?
- What was the temperature after 25 seconds?
- What will be the temperature after 1.5 minutes? Justify your answer.
