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Explain why, it is difficult to hold a s...

Explain why, it is difficult to hold a stainless steel tumbler containing very hot tea in the hand but a thermocol cup containing the same hot tea can be held easily.

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This is because stainless steel tumbler is good conductor of heat and thermocol is bad conductor of heat.
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LAKHMIR SINGH & MANJIT KAUR-HEAT-EXERCISE
  1. Name the three ways in which heat is transferred. Which is the most im...

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  2. Name the three ways in which heat is transferred. Which is the most im...

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  3. Explain why, it is difficult to hold a stainless steel tumbler contain...

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  4. Explain why, the clinical thermometer has a short temperature range fr...

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  5. What is the function of 'kink' in a clinical thermometer ?

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  6. Define temperature ? Name the device which is used to measure temperat...

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  7. Give the similarities and differences between the clinical thermometer...

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  8. Why can the sun's heat not reach the earth by conduction or convection...

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  9. Explain how, woollen clothes keep us warm during cold winter days. Dis...

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  10. What is a clinical thermometer ? What is the range of a clinical therm...

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  11. Explain how, the water in a beaker gets heated when a burner is kept b...

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  12. Explain how all the air in a room gets heated when a room heater kept ...

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  13. Describe the blowing of sea-breeze and land-breeze in coastal areas .

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  14. Why do people prefer to wear white clothes in summer ?

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  15. Why is it better to wear dark clothes in winter ?

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  16. What is a thermometer ? Name the thermometer used by doctors and nurse...

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  17. Can we use a laboratory thermometer to measure human body temperature ...

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  18. Why is the box of a solar cooker painted black from inside ?

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  19. In places of hot climate, it is advised that the outer walls of houses...

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  20. What is meant by 'convection' ? Explain with the help of an example. W...

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