Subject :NSO Class : Class 7
The bimetallic strip made up of aluminium and copper, when heated bends in the direction shown below. Which metal expands more when the two are heated at the same temperature?
A Aluminium expands more than copper.
B Copper expands more than aluminium.
C Both aluminium and copper expand by the same amount.
D Neither aluminium nor copper expands.
Ans 1:
Class : Class 7
A!!!
Ans 2:
Class : Class 8
Ans 3:
Class : Class 7
A
Ans 4:
Class : Class 7
Ans 5:
Class : Class 8
the answer may be a,but it seemed to me that they expanded equally so i clicked d