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A platinum wire can be sealed through gl...

A platinum wire can be sealed through glass, but a brass wire cannot be sealed in glass because

A

Platinum has greater density than brass

B

Platinum and glass have the same value for coefficient volume expansion

C

Platinum is an element while brass is an alloy

D

Platinum does not rust

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The correct Answer is:
B
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AAKASH SERIES-THERMAL PROPERTIES OF MATTER-EXERCISE-IA
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  2. A solid ball of metall has a spherical cavity inside it. The ball is h...

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  3. A platinum wire can be sealed through glass, but a brass wire cannot b...

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  4. Two spheres of same size are made of same metal, but one is hollow and...

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  5. A metal washer has a hole of diameter d(1) and an external diameter d(...

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  6. A metal sphere is heated. Maximum percentage increase occurs in its

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  7. Thermostat works on the principle of

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  8. Two metal strips that constitute a thermostat must necessarly differ i...

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  9. A bimetal made of copper and iron strips welded together is straight a...

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  10. Which of the following statement is wrong

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  11. The coefficients of linear expansion of P and Q are alpha(1)andalpha(2...

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  12. A uniform metallic rod rotates about its perpendicular bisector with c...

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  13. A uniform metallic rod rotates about its perpendicular bisector with c...

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  14. Coefficient of volume expansion of copper as a function of temperature

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  15. Coefficient of linear expansion of brass and steel rods are alpha(1)an...

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  16. Which of the following behaves like water between 0^(@)Cand4^(@)C.

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  17. An aluminium sphere is dipped into water at 10^(@)C. If the temperatur...

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  18. An aluminium sphere is dipped into water. Which of the following is tr...

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  19. Density of liquid at any temperature 't' is given by d(t)=d(0)//(1+g t...

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  20. A block of wood is floating on water at 0^(@)C with certain volume 'p'...

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