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Say true or false: Silvering in thermo...

Say true or false:
Silvering in thermos flask is to reduce radiation.

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To determine whether the statement "Silvering in thermos flask is to reduce radiation" is true or false, we can analyze the purpose of silvering in a thermos flask step by step. ### Step-by-Step Solution: 1. **Understanding the Purpose of a Thermos Flask**: - A thermos flask is designed to keep liquids hot or cold for an extended period. It minimizes heat transfer through conduction, convection, and radiation. 2. **Identifying the Role of Silvering**: ...
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CENGAGE PHYSICS-TRANSFER OF HEAT-MANDATORY EXERCISE (Exercise set I)
  1. Say true or false: Metals are bad conductors of heat.

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  2. Say true or false: Highly polished surfaces are good emitters of hea...

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  3. Say true or false: Silvering in thermos flask is to reduce radiation...

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  4. Say true or false: Good absorbers are good reflectors.

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  5. Explain the following: A chimney smokes when a fresh fire is started...

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  6. Explain the following: Small holes are provided at the bottom of the...

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  7. Explain the following: Two thin blankets one over the other can warm...

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  8. Explain the following: People on top of mountains have a higher risk...

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  9. Explain the following: Land becomes warmer than water during the day...

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  10. Explain the following: On a cold day, metal objects feel colder than...

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  11. Explain the following: It is cool in the shade while it is hot outsi...

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  12. Explain the following: Cooking utensils are often blackened at the b...

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  13. Explain the following: It is more comfortable to wear white clothes ...

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  14. Explain the following: Glass apparatus which is heated by a Bunsen b...

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  15. Explain the following: The panels of a solar water heater are kept s...

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  16. Explain the following: Ventilators are placed high on the walls of t...

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  17. Explain the following: Glass is a suitable material to use in a gree...

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  18. Explain the following: The bit of a soldering iron is made of copper...

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  19. Explain the following: Cloudy nights are hotter.

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  20. Explain the following: You do not burn your fingers when you hold th...

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