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when a piece of red glass heated in a fu...

when a piece of red glass heated in a furnace is taken out, it glows with green light. Why?

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SL ARORA-Thermal Properties of Matter-Exercise
  1. On what factors does the rate of heat conduction in a metallic rod in ...

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  2. Name the three modes of transmission of heat.

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  3. when a piece of red glass heated in a furnace is taken out, it glows w...

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  4. State and Explain Newton s second law of motion Hence , Deduce the re...

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  5. Newton's law of cooling leads us to the following expression.

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  6. A constant volume gas thermometer works on

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  7. The temperature co-effcient of resistance of a wire is 0.00125^(@)C. A...

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  8. Two rods, one of aluminium and the other made of steel, having initial...

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

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

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  11. Calorie is defined as the amount of heat required to raise temperature...

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  12. Compared to a burn due to water at 100^(@)C , a burn due to steam at 1...

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  13. 50 g of ice at 0^@C is mixed with 50 g of water at 80^@C . The final t...

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  14. 2kg of ice at 20^@C is mixed with 5kg of water at 20^@C in an insulati...

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  15. Water of volume 2 litre in a container is heated with a coil of 1kW at...

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  16. In which of the following process, convection does not take place pri...

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  17. A wall has two layers A and B, each made of different material. Both t...

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  18. Three rods of identical area of cross-section and made from the same m...

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  19. Two identical rods are connected between two containers one of them is...

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  20. Two metallic spheres S1 and S2 are made of the same material and have ...

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