CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Warm Air and Cool Air

A laboratory ...

Question

Question 9

A laboratory thermometer A is kept 7 cm away on the side of the flame while a similar thermometer B is kept 7 cm above the flame of a candle as shown in Figure.

Which of the thermometers, A or B, will show a greater rise in temperature? Give reason for your answer.

Open in App

Solution

Thermometer B will show a greater rise in temperature because hot air rises up and increases the temperature of the thermometer which is above the flame of a candle.

Suggest Corrections

thumbs-up

4

Similar questions

A laboratory thermometer A is kept 7 cm away on the side of the flame while a similar thermometer B is kept 7 cm above the flame of a candle as shown in Figure.

The thermometer B will show a greater rise in temperature.

Supriya while doing an experiment in a science laboratory keep a laboratory thermometer 'p' 10 cm above from the flame of the candle .Her friend Riya kept the similar thermometer 'Q' 10 side from the flame of the candle .

In which thermometer 'p'or 'q'the rise in temperature will be faster give reason for your answer

Q. (a) Two identical vessels A and B containing equal volume of water are placed in sun. The outer surface of one vessel A is blackened, while of other vessel B is polished. Thermometer

T_{1}

T_{2}

are used to measure the temperature of vessel A and B respectively. Which thermometer will record a higher temperature? Give a reason for your answer.
(b) If the two vessels A and B as described in part (a) are filled with boiling water and placed inside the room, which thermometer will show a higher temperature after 15 minutes? Give a reason for your answer.

Q. Two laboratory thermometers are marked as 'A' and 'B'. The bulb of thermometer 'A' is wrapped in a white cloth and that of thermometer 'B' in black cloth. Both the thermometers are placed in sunlight for an hour. After one hour:

How will a person take the reading of a fluid kept in a container with a laboratory thermometer?

View More

Join BYJU'S Learning Program

explore_more_icon

Explore more

Warm Air and Cool Air

Standard VII Physics

Join BYJU'S Learning Program

CrossIcon