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Physics 9 Chapter 9 - Transfer of Heat - 13
1.
With which of the following Leslie’s cube is made?
a) Metal
b) Non-metal
c) Metalloid
d) Plastic
2.
Which of the following surface is present in Leslie’s cube?
a) A shining silvered surface
b) None of these
c) A dull silvered surface
d) A shining black surface
3.
Which of the following surface is present in Leslie’s cube?
a) All of these
b) A dull black surface
c) A dull silvered surface
d) A shining black surface
4.
Which of the following surface is present in Leslie’s cube?
a) A dull silvered surface
b) A white surface
c) None of these
d) A shining black surface
5.
Which of the following surface is present in Leslie’s cube?
a) A dull silvered surface
b) A coloured surface
c) All of these
d) A shining black surface
6.
Hot water is filled in the Leslie’s cube and is placed with one of its face towards a/an...................../
a) Radiation detector
b) Radiation converter
c) Ammeter
d) Galvanometer
7.
Which of the following surface in Leslie’s cube is best emitter of heat?
a) A shining silvered surface
b) A coloured surface
c) A dull black surface
d) A white surface
8.
A dull black surface is ........................ emitter of heat?
a) Bad
b) Best
c) Good
d) Worst
9.
Which of the following surface in Leslie’s cube is best absorber of heat?
a) A dull black surface
b) A shining silvered surface
c) A coloured surface
d) A white surface
10.
A dull black surface is ........................ absorber of heat?
a) Good
b) Worst
c) Best
d) Bad
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