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A sealed glass bulb containing mercury (...

A sealed glass bulb containing mercury (incompletely filled) just floats in water at `4^(@)C` if the water and bulb are (1)cooled to `2^(@)C` and (2) warmed to `8^(@)C` the bulb

A

(1)sinks (2) sinks

B

(1)sinks(2)floats

C

(1)floats (2)floats

D

(1)floats(2)sinks

Text Solution

Verified by Experts

The correct Answer is:
A
Density is maximum at 4^(@)C
`rhovg(1)Tdownarrowv,rdownarrow sink`
`(2)Tuparrow v uparrow r downarrow can not say`
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BANSAL-MASTER PRACTICE PROBLEM-Additional topic
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  6. In the following, which one of the diodes is reverse biased ?

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  10. A p-n junction (D) shown in the figure can act as a rectifier. An alte...

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  11. The logic circuit shown below has the input waveforms ‘A’ and ‘B’ as s...

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  12. The combination of gates shown below yields .

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  13. Truth table for system of four NAND gates as shown in figure is : .

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  14. In semiconductor the concentrations of electron and holes are 8xx10^(1...

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  17. A cube of germanium is placed between the poles of a magnet and a volt...

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  18. In the given figure, which of the diodes are forward biased?

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  19. Current in the circuit will be

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