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A composite rod made of copper (alpha =1...

A composite rod made of copper `(alpha =1.8xx10^-5 K^-1)` and steel `(alpha = 12xx10^-5 K^-1) is heated. Then

A

it bends with steel on concave side

B

it bends with copper on concave side

C

it does not expand

D

data is insufficient

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SL ARORA-Thermal Properties of Matter-Exercise
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  2. When a body is heated, then maximum rise will be in its

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  3. A composite rod made of copper (alpha =1.8xx10^-5 K^-1) and steel (alp...

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  4. If the temperature of a rod is increased by 10^@C, its length increase...

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  5. The volume of a gas at 20^(@)C is 100 cm 3 at normal pressure. If it i...

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  6. The coefficient of volumetric expansion of mercury is 18xx10^(-5)//^(...

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  7. Coefficient of real expension of mercury is 0.18 xx 10^(-3//@)C. If th...

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  8. The density of a substance at 0^(@)C is 10 g//c c and at 100^(@)C, its...

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  9. A uniform metal rod is used as a bar pendulum. If the room temperature...

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  11. A clock which keeps correct time at 20^(@)C is subjected to 40^(@)C. I...

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  12. When water is heated from 0^@C to 20^@C its volume

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  13. Amount of heat required to raise the temperature of a body through 1 K...

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  14. Specific heat of a substance is a function of its

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  15. A body of mass 5 kg moving with a velocity 10 m/s collides with anothe...

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  16. Water falls from a height 500 m. what is the rise in temperature of wa...

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  17. 50 g of ice at 0^@C is mixed with 50 g of water at 80^@C . The final t...

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  18. As 6.00 kg of a liquid substance at its freezing point completely free...

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  19. In an energy recycling process, X g of steam at 100^(@)C becomes water...

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  20. A thermally isolated vessel contains 100g of water at 0^(@)C when air ...

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