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A spring balance measures the weight of an object in air to be

Question

A spring balance measures the weight of an object in air to be $0.1 N$ . It shows a reading of $0.08 N$ when the object is completely immersed in water. If the value of acceleration due to gravity is $10 m / s^{2}$ , the volume of the object is

20 c m^{3}

80 c m^{3}

200 c m^{3}

2 c m^{3}

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A spring balance measures the weight of an object in air to be

0.1 N

. It shows a reading of

0.08 N

when the object is completely immersed in water. If the value of acceleration due to gravity is

10 m / s^{2}

, the volume of the object is

11 mins ago

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11 mins ago

Text solutionVerified

Given,

Weight of the spring

= 0.1 N

Spring reading in water

= 0.08 N

Since Spring reading is reducing, it means Buoyant force

= 0.02 N

F_{B} = 0.02 =

Volume of fluid displaced (Density of water)

\times g = V \times 10^{3} \times 10

=> V = \frac{0.02}{10 ^{4}} m^{3} = 0.02 \times \frac{10 ^{6}}{10 ^{4}} cc^{3} = 2 c m^{3}

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Question Text	A spring balance measures the weight of an object in air to be $0.1 N$ . It shows a reading of $0.08 N$ when the object is completely immersed in water. If the value of acceleration due to gravity is $10 m / s^{2}$ , the volume of the object is
Answer Type	Text solution:1
Upvotes	150