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A metal ball is being weighed in liquid ...

A metal ball is being weighed in liquid whose temperature is raised continuously. Then the apparent weight of the ball

A

remain unchanged

B

increases

C

decreases

D

change erratically

Text Solution

Verified by Experts

The correct Answer is:
B

Apparent weight=weight- `F_(B)`
As temperature increases, upthrust decreases,
Apparent weight increases
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CP SINGH-TEMPERATURE AND THERMAL EXPANSION-EXERCISES
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  8. A metal rod is shaped into a ring with a small gap. If this is heated,...

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  9. A the temperature is increased, the time period of a pendulum

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  10. A second's pendulum gives correct time at 25^(@)C . The pendulum shaft...

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  11. A steel rod of length 25cm has a cross-sectional area of 0.8cm^(2) . T...

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  12. Two metal rods of the same length and area of cross-section are fixed ...

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  13. An aluminum sphere is dipped into water as 10^@C. If the temperature i...

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  14. A solid with coefficient of linear expansion aplha just floats in a li...

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  16. A metal ball immersed in alcohol weights W1 at 0^@C and W2 at 50^@C. T...

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  17. A block of wood is floating on water at 0^(@)C with a certain volume V...

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  18. When a block of iron in mercury at 0^@C, fraction K1of its volume is s...

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  19. A solid whose volume does not change with temperature floats in a liqu...

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  20. In a vertical U-tube containing a luquid, the two arms are maintained ...

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