Question

11. Explain the construction and working of a clinical thermometer with the help of a labelled diagram.
12. Look at the below figure, mark where the heat is being transferred by conduction, by convection and by radiation


13. While constructing a house in a coastal area, in which direction should the windows preferably face and why?
14. Give reason Why:
a. Rooms are provided with ventilators & exhaust fans near top of side walls
b. It is advisable to place room heaters at the ground level for effective heating
c. Gaps are left between lengths of railway tracks
15. Explain why wearing more layers of clothing during winter keeps us warmer than wearing just one thick piece of clothing
16. What is Land breeze and Sea breeze? Explain with the help of a neat diagram.

Answer 1

Explanation:

11. Clinical thermometer is used to measure human body temperature. It has a long steel tube in it which is known as mercury.

Answer 2

• 11. the clinical thermometer consists of Mercury within it. When the temperature rises the mercury expands and thus it gives the reading of the temperature of the body.

• 13.the window of the house which is placed in a  area should be in the direction of the sea or the ocean. This is because of the the land breeze and the sea creatures that takes place giving a pleasant ambience within the house.

• 14. A . Rooms are provided with ventilators and exhaust near the top of the side wall because of warm Air on heating rises up and escapes to the ventilators.

• B.  it is advised to place room heater at the ground level for effective heating because on heating the air rises up giving a warm ambience to all levels of the room. S

• C. Small gaps are left behind the length of the railway tracks so that on expanding they do not destroy each other in the summer months.

• 15 Wearing more than one layer of clothes during winter keeps us warmer because fabric is a poor conductor of heat and does the heat is trapped inside the fabric and it is prevented from escaping.

• 16. the breeze that blows from the land to the sea during the morning is known as land breeze where as the breeze which blows from the sea to the land during the night is known as sea breeze

To know more about clinical thermometer,

Features of a clinical thermometre - Brainly.in

https://brainly.in/question/17753947