Question

Exercise Time
1.
A Tick () the correct option:
Conduction takes place in :
(a) solids only
(c) gases only
Sea breeze is caused due to:
a
(b) liquids only
(d) solids as well as liquids
2.
G
(b) convection
(d) none of these
(a) conduction
(c) radiation
3. Which of these is the best insulator of heat?
(a) water
(c) alcohol
4. Which of these does not require a medium?
(a) conduction
(c) radiation
(b) zinc
(d) hydrogen
00 00 00 00
8
8
(b) convection
(d) all of these
joule.
(b) 1
5. One calorie is nearly equal to
(a) 4200
(c) 4.2
(d) 1/4.2​

Answer 1

Answer:

1 .a

2.c

3.d

4.a

5.d

Explanation:

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Answer 2

Answer:

1.a

2.d

3.a

4.c

5.a

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