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Everyday Science Mcqs

The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called ___________?

The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called ___________?

A. Aphelion
B. Perihelion
C. Perigee
D. Apogee
E. None of these

The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called ___________? Read More »

Everyday Science Mcqs

Which of the following is most elastic ?

Which of the following is most elastic ?

A. Steel
B. Rubber
C. Glass
D. Sponge
E. None of these
STEEL is most elastic among the rubber, steel, glass and sponge. Steel having the most steep linear stress-strain curve among all.
A stiffer material will have a higher elastic modulus.
Young’s Modulus alt. Modulus of Elasticity – is a measure of stiffness of an elastic material.
Young’s modulus for steel- 200 GPa
Young’smodulus for glass – 50–90 GPa
Young’s modulus for rubber – 1 MPa
Young’s modulus for sponge – 2–4 GPa
A material with a higher Young’s modulus is more elastic.

Which of the following is most elastic ? Read More »

Everyday Science Mcqs