Question

time.
Observations:
°C.
(1) Least count of the thermometer
(2) Initial temperature of water
---°C
Observation Table :
Scale :
(i) On X-axis :
(ii) On Y-axis :
Time (min)
Temperature (°C)
0
70
(Normal)
1
2
Temperature °C
3
4.
(Tangent)
(and so on)
Time (minutes)
X
Temperature Time graph
Inferences/Conclusion :
(1) The hot water loses heat to the surroundings. This results lowering of the temperature of the wa
(2) The rate of cooling depends on the excess of temperature of water over the surroundings. Wh
difference between the temperature of hot water and the temperature of the surroundings is mo​

Answer 1

Answer:

time.

Observations:

°C.

(1) Least count of the thermometer

(2) Initial temperature of water

---°C

Observation Table :

Scale :

(i) On X-axis :

(ii) On Y-axis :

Time (min)

Temperature (°C)

0

70

(Normal)

1

2

Temperature °C

3

4.

(Tangent)

(and so on)

Time (minutes)

X

Temperature Time graph

Inferences/Conclusion :

(1) The hot water loses heat to the surroundings. This results lowering of the temperature of the wa

(2) The rate of cooling depends on the excess of temperature of water over the surroundings. Wh

difference between the temperature of hot water and the temperature of the surroundings is mmotion