The stress strain group for material A & B are shown in figure

Which is stronger material?

The stress strain group for material A & B are shown in figure Which of the material has greater Young's modules?

The speed time graph for a car is shown in the figure. Which part of the graph represents uniform motion of the car?

There are two cuboidal box as shown in the adjoining figure. Which box requires the lesser amount of material to make?

If S is the stress and Y is young's modulus of the material of a wire , then the energy stored in the wire per unit volume is

The following four wires are made of same material and same tensiom is applied to them . Which one will have maximum increase in length ?

The sides of a rectangel ABCD are 15cm & 5cm as shown in figure point charge -5muc and +2muc are placed at the corner D and B respectively. Calculate the electric potential at A & C.

The transverse section of a plant material shows the following anatomical features (a) the vascular bundless are conjoint, scattered and surrounded by sclerenchymatous bundle sheaths (b) phloem parenchyma is absent. What will you identify it as?