Question

3. Atteatise on Heat - Saha and Srivastava
x
rimeter x its specific hear
increo
X01*(T-20)
Exercise
Fun in the blanks and rewrite the
sentence.
The amount of water vapor in air is
determined in terms of its
b. If objects of equal masses are given
equal heat, their final temperature will
be different. This is due to difference
in their
c. During transformation of liquid phase
to solid phase, the latent heat is
3. What is meant by specific heat
capacity? How will you prove
experimentally that different
substances have different specific
heat capacities?
While deciding the unit for heat,
which temperatures interval is
chosen? Why?
5. Explain the following temperature
vs time graph.
Boiling water + Vapour
.8°C
D
100-
90-
Liquid - Gaseous state
C80
Water
70-
A 60
30
40-
30-
20-
10-
Liquid
2. Observe
the
following graph.
Considering the change in volume of
water as its temperature is raised
from 0 °C, discuss the difference in
the behaviour of water and other
substances. What is this behaviour
of water called?
0 calg
BA
(0,0)
0.30
25
3:20
into water at 0 °C
1 kg Volume of water -
o š to iz 14 16 18 20 22 24 26 28 30 32 34
Time (Minutes)
Ice+ Water
(Solid+liquid)
6. Explain the following:
a. What is the role of anomalous
behaviour of water in preserving
aquatic life in regions of cold
climate?
b. How can you relate the formation of
water droplets on the outer surface
of a bottle taken out of refrigerator
with formation of dew?
c. In cold regions in winter, the rocks
crack due to anomolous expansion
of water
110
US
om equations (1) and (2)
00
7
8
9
10
2 3 4 5
Temperature °C
viter I its specific heat X increase
ased on an ice slab of temperatu
be transferred to the ice when
erature 97 °C into water of​

Answer 1

Answer:

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