Question

In a metal sheet there are two holes of
radius a and b as shown. How will the
parameters a, b, c, and d change with
increase in temperature of metal sheet?
a, b, c, and d, all will increase
O
O
O
O
a and b will decrease while c and d will
increase
a and b will increase while c and d will
decrease
a and c will increase while b and d will
decrease
Physics​

Answer 1

Given :  a metal sheet there are two holes of  radius a and b  

To Find : How will the  parameters a, b, c, and d change with

increase in temperature of metal sheet

Solution:

a and b are radius of holes

c & d are the length and width of metal sheet

Dotted lines shows the sheet after increase in temperature

Expansion because of increase in temperature happens.

Hence Length & width are increased

so c & d will increase

circumference of hole increases as material expand hence radius of circle / diameter of circle will also increase

hence a & b will also increase

( its like a ring when , temperature is increased its dia/size increases)

a, b, c, and d, all will increase

is the correct option.

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