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At a common temperture, a block of wood and a block of metal feel equally cold or hot. The temperatures of block of wood and block of metal are
- a)Equal to temprature of the body
- b)Less than the temperature of the body
- c)Greater than temperature of the body
- d)Either (b) or (c)
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
At a common temperture, a block of wood and a block of metal feel equa...
Since both the block of metal and the block of wood feel equally cold or hot, their temperatures must be equal to the temperature of the body. Otherwise there will be heat flow between the body and either of the blocks. And as the thermal conductivity of the metal is more than that of the wood, it would either feel more hot or more cold than that the block of wood.
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At a common temperture, a block of wood and a block of metal feel equa...
Explanation:
Temperature Sensation:
- When we touch a block of wood or metal at a common temperature, they feel equally cold or hot to us.
- This is because our sense of temperature is based on the rate of heat transfer between our skin and the object we are touching.
Temperature of Blocks:
- The temperatures of the block of wood and block of metal are equal to the temperature of our body.
- The sensation of cold or hotness we feel when touching them is due to the rate at which they conduct heat away from our body.
Conductivity:
- Metal is a better conductor of heat compared to wood.
- When we touch a metal block at the same temperature as a wood block, the metal block will conduct heat away from our body faster, making it feel colder.
- However, both blocks are actually at the same temperature as our body.
Conclusion:
- The temperature of both the block of wood and block of metal is equal to the temperature of our body.
- The sensation of cold or hotness we feel when touching them is influenced by their heat conductivity properties rather than their actual temperature.
Temperature Sensation:
- When we touch a block of wood or metal at a common temperature, they feel equally cold or hot to us.
- This is because our sense of temperature is based on the rate of heat transfer between our skin and the object we are touching.
Temperature of Blocks:
- The temperatures of the block of wood and block of metal are equal to the temperature of our body.
- The sensation of cold or hotness we feel when touching them is due to the rate at which they conduct heat away from our body.
Conductivity:
- Metal is a better conductor of heat compared to wood.
- When we touch a metal block at the same temperature as a wood block, the metal block will conduct heat away from our body faster, making it feel colder.
- However, both blocks are actually at the same temperature as our body.
Conclusion:
- The temperature of both the block of wood and block of metal is equal to the temperature of our body.
- The sensation of cold or hotness we feel when touching them is influenced by their heat conductivity properties rather than their actual temperature.
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At a common temperture, a block of wood and a block of metal feel equally cold or hot. The temperatures of block of wood and block of metal area)Equal to temprature of the bodyb)Less than the temperature of the bodyc)Greater than temperature of the bodyd)Either (b) or (c)Correct answer is option 'A'. Can you explain this answer?
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