Plot a graph taking °C on the Y-axis and the corresponding °F along the X-axis.

Graph

Short/Brief Note

We know C/100 = (F - 32)/180.

C =5/9(F - 32)

C = 5/9F - 17.77.

The graph between T°C and T°F is a straight line having a slope of 5/9 and the intercept on the Y-axis is-17.77.

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Chapter 5: Heat and Energy - Thermometry [Page 210]

Chapter 5 Heat and Energy
Thermometry | Q 27 | Page 210

The temperature of a body rises by 1°C. What is the corresponding rise on the (a) Fahrenheit scale (b) Kelvin scale?

Two bodies at different temperatures are placed in contact. State the direction in which the heat will flow.

Define heat energy on a conventional basis.

Two bodies at different temperatures are placed in contact with each other. State the direction in which heat flows.

What is the relation between α and γ?

Is it possible to heat a liquid or gas from above? Explain your answer.

Explain the following:
Water is heated generally from below.

State one use of each of the following type of thermometer:
Laboratory thermometer

Give a scientific reason for the following:
In winter the birds fluff up their feathers.

1 calorie equals ______.