HSC Science (General) ११ वीं कक्षा - Maharashtra State Board Question Bank Solutions for Physics

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.

Solve the following problem.

Obtain a derivative of the following function: x sin x

Solve the following problem.

Obtain derivative of the following function: x⁴ + cos x

Solve the following problem.

Obtain derivative of the following function: `"x"/"sin x"`

Solve the following problem.

Using the rule for differentiation for quotient of two functions, prove that `"d"/"dx" ("sin x"/"cos x") = sec^2"x"`. 

Solve the following problem.

Evaluate the following integral: \[\int_0^{\frac{\pi}{2}}\] sin x dx

Solve the following problem.

Evaluate the following integral: \[\int_1^5\] x dx

Answer in one sentence.

State the names of the hardest material and the softest material.