Two different types of rubber are found to have the stress-strain curves as shown. Thenbr>

Two different types of rubber are found to have the stree-strain curves shown in fig. (a) In which significant ways do these curves differ form the stree-strain curve of a metal wire. (b) A heavy machine is to be installed in a factory. To absorb vibrations of the machine, a block of rubber is placed between the machinery and the floor. which of the two rubbers A and B would you perfer to use for this purpose? why? (c) Which of the two rubber materials would you choose for a car tyre ?

Name the different types of elements found in the xylem.

The graph given is a stress-strain curve for

What are the different types of RNA found in the cell?

Which two types of fibres are found in the spindle?

Explain different types of forests that are found in India.

Which one of the following is the Young's modulus (in N/m) for the wire having the stress-strain curve shown in the figure