If a bimetallic strip is heated it will
If a bimetallic strip is heated it will
- A
Bend towards the metal with lower thermal expansion coefficient.
- B
Bend towards the metal with higher thermal expansion coefficient.
- C
Not bend at all
- D
Twist itself into a helix
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- [KVPY 2016]
$50\,g$ of copper is heated to increase is temperature by $10\,^oC$. If the same quantity of heat is given to $10\,g$ of water, the rise in its temperature is ........ $^oC$ (Specific heat of copper $= 420\,J-kg^{-1}\,^oC^{-1}$ )
$50\,g$ of copper is heated to increase is temperature by $10\,^oC$. If the same quantity of heat is given to $10\,g$ of water, the rise in its temperature is ........ $^oC$ (Specific heat of copper $= 420\,J-kg^{-1}\,^oC^{-1}$ )