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Physics 9 Chapter 9 - Transfer of Heat - 10
1.
On which principle, Central heating system in buildings work?
a) Electromagnetic waves
b) Conduction
c) Convection
d) Radiation
2.
Which of the following are examples of conventional currents?
a) Land breezes
b) Both b and c
c) Sea breezes
d) Centripetal force
3.
When does sea breeze blow?
a) During the noon time
b) During the night time
c) During the after-noon time
d) During the day time
4.
When does land breeze blow?
a) During the after-noon time
b) During the day time
c) During the night time
d) During the noon time
5.
Due to which of the following phenomena, land breezes are resulted?
a) Radiation
b) Convection
c) Electromagnetic waves
d) Conduction
6.
Due to which of the following phenomena, sea breezes are resulted?
a) Convection
b) Electromagnetic waves
c) Radiation
d) Conduction
7.
Why the temperature of the land increases more quickly than the sea?
a) Because specific heat of land is much smaller than water
b) Because specific heat of land is much greater than air
c) Because specific heat of land is much smaller than air
d) Because specific heat of land is much greater than water
8.
What is the process called in which the cold air from the land begins to move towards the sea?
a) Water breeze
b) Sea breeze
c) Air breeze
d) Land breeze
9.
Land breeze blows from...................................?
a) Land to sea during night
b) Sea to land during the day
c) Land to sea during the day
d) Sea to land during night
10.
What is the process called in which the cold air from the sea begins to move towards the land?
a) Water breeze
b) Air breeze
c) Sea breeze
d) Land breeze
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