Questions
An iron piece and a wooden piece have equal weights in air. If they are removed from air to vacuum
a
The iron piece appears to weigh more
b
The wooden piece appears to weigh more
c
There is no change in the weight of either
d
The information is insufficient to find which one will appear to weigh more
detailed solution
Correct option is B
For equal weights of iron and wood, wood will possess greater volume. So, it experiences greater upthrust in air than iron piece (as upthrust depends upon volume of body and density of fluid). In vacuum the upthrust vanishes and hence the wooden piece will weigh more.Talk to our academic expert!
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