The linear expansivity of brass is 2 x 10−5&n...
The linear expansivity of brass is 2 x 10−5 oC−1. If the volume of piece of brass is 10cm3 at 0oC. What will be its volume at 100oC?
10.06cm3
10.04 cm3
10.02 cm3
10.20 cm3
Correct answer is A
3 x α = V2−V1V1×Δθ
3 x 2 x 10−5 = V2−10100×10
V2 = (100 x 10 x 3 x 2 10−2) + 10
= 10.06 cm3
A machine is said to be a third class lever when the ...
Which of the following actions will improve the efficiency of the pulley system? ...
If the stress on a wire is 107NM−2 and the wire is stretched from its original length ...
If the angle of declination in a place is 10°E, calculate the true geographic bearing if the com...
Which of the following does NOT cause a reduction of the surface tension of water? ...
Mercury is commonly used as a thermometric fluid rather than water because ...
Which of the following statements about a moving object is correct? ...