(a) solids
O
(c) gases
0 (d) air
O (c) poor
0 (d) very poor
Tick (/) the correct options:
1. Conduction of heat takes place only in
O (b) liquids
2. Stainless steel is a
conductor of heat.
(a) good
(b) bad
3. Pressure cookers are provided with
handles.
(a) copper O (b) bakelite
O c) aluminium
4. Cooking utensils are usually made of
0 (b)
(b) plastic
O (c) stainless steel
5.
is a bad conductor of heat.
(a) Copper O b
(b) Air
O O (c) Silver
0 (d) brass
(a) wood
O (d) glass
O (d) Gold
Answers
Answer:
(a) solid only
In conduction, the molecules vibrate and hit each other to transfer the heat energy between them. The molecules need not to travel from one end to other. Therefore, it is only possible in solids in which the molecules do not move but vibrate on heating.
Explanation:
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Answer:
solid liquid gas
Explanation:
(a) solids
O
(c) gases
0 (d) air
O (c) poor
0 (d) very poor
Tick (/) the correct options:
1. Conduction of heat takes place only in
O (b) liquids
2. Stainless steel is a
conductor of heat.
(a) good
(b) bad
3. Pressure cookers are provided with
handles.
(a) copper O (b) bakelite
O c) aluminium
4. Cooking utensils are usually made of
0 (b)
(b) plastic
O (c) stainless steel
5.
is a bad conductor of heat.
(a) Copper O b
(b) Air
O O (c) Silver
0 (d) brass
(a) wood
O (d) glass
O (d) Gold