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Question

Due to thermal expansion with rise in temperature
  1. metallic scale reading becomes lesser than true value
  2. Pendulum clock goes fast
  3. A floating body sinks a little more
  4. The weight of a body in a liquid increase

A
The weight of a body in a liquid increase
B
metallic scale reading becomes lesser than true value
C
Pendulum clock goes fast
D
A floating body sinks a little more
Solution
Verified by Toppr

The correct options are
A metallic scale reading becomes lesser than true value
B Pendulum clock goes fast
D The weight of a body in a liquid increase
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Q1
Due to thermal expansion with rise in temperature
(a) Metallic scale reading becomes lesser than true value
(b) Pendulum clock goes fast
(c) A flowing body sinks a little increases
(d) The weight of a body in a liquid increases
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Q2

Write true or false for each statement:

(a) Equal volumes of the two different substances have equal masses.

(b) The density of a piece of brass will change by changing its size or shape.

(c) The density of a liquid decreases with an increase in its temperature.

(d) Relative density of water is 1.0.

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(g) A body experiences the same buoyant force while floating in water or alcohol.

(h) A body experiences the same buoyant force when it floats or sinks in water.

(i) A body floats in a liquid when its weight becomes equal to the weight of the liquid displaced by its submerged part.

(j) A body while floating sinks in a liquid of low density than in high density.

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Q3

A body floats or sinks in a liquid due to the difference in their:


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A body while floating sinks deeper in a liquid of low density than in a liquid of high density


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A body floats in a liquid with a part of it submerged inside liquid. Is the weight of floating body greater than, equal to or less than upthrust ?

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