HSC Science (General) 11th Standard - Maharashtra State Board Question Bank Solutions

Answer in one sentence.

What do you mean by elastic hysteresis?

Answer in short.

What do you mean by brittle substance? Give any two examples.

Long answer type question.

Define stress and strain. What are their different types?

Long answer type question.

Draw a labelled graph of tensile stress against tensile strain for a metal wire up to the breaking point. In this graph show the region in which Hooke’s law is obeyed.

Answer in one sentence.

What is an elastomer?

Answer in one sentence.

What is an elastomer?

Answer in one sentence:

What is an elastomer?

Answer in one sentence:

What is an elastomer?

Answer in one sentence:

What is an elastomer?

Answer in one sentence:

What is an elastomer?

What is an elastomer?

Answer in one sentence:

What is an elastomer?

Answer in one sentence.

What is an elastomer?

Answer in one sentence.

What is an elastomer?

Answer in one sentence:

What is an elastomer?

Answer in one sentence:

What is an elastomer?

Answer in one sentence:

What is an elastomer?

Long answer type question.

Derive an expression for strain energy per unit volume of the material of a wire.

Answer the following.

Calculate the work done in stretching a steel wire of length 2 m and cross-sectional area 0.0225 mm² when a load of 100 N is slowly applied to its free end. (Young’s modulus of steel = 2 × 10¹¹ N/m²)

Answer briefly.

State and explain the principle of superposition of waves.