OU BSc Computer Science 2021 Important Question Bank || Osmania University (Important Questions)
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Question Bank for B.Sc MPCs 1st Semester
Mechanics
UNIT I
Short Answer Type Questions:
- Define Scalar and Vector fields.
- What is the Gradient of a scalar field? Write its physical significance.
- What is the Divergence of a vector? And write its physical significance.
- Define Curl and explain how it is related with line integral?
- Write any three examples of vector product.
- State Stoke’s theorem.
- State Gauss’s theorem.
- State Green’s theorem.
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Long Answer Type Questions:
- Define Gradient and derive the expression for the same with its physical significance.
- Define Divergence and derive the expression for the same with its physical significance.
- Define Curl and derive the expression for the same with its physical significance.
- State and Prove Stoke’s theorem.
- State and Prove Gauss’s theorem.
- State and Prove Green’s theorem.
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UNIT II
Short Answer Type Questions:
- State laws of motion.
- What is motion of variable mass system and write the example for this.
- Write the expressions for energy and momentum.
- What are elastic and inelastic collisions?
- How semi-elastic collision is different from inelastic collision?
- What is the concept of impact parameter?
- Define scattering cross section and write the expression.
- Define rigid body.
- State rotational kinematic relations.
- Write momentum and inertial tensors.
- Write Euler’s equations.
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Long Answer Type Questions:
- Derive the equation for the motion of a variable mass system.
- Find the final velocity of a rocket by discussing the motion of a rocket.
- Write a short note on conservation of energy and momentum.
- Discuss the collisions in two dimensions.
- What is three dimensional collision and derive the expression for elastic collision.
- Derive the formula for scattering cross section.
- Define rigid body and derive the rotational kinematic relations.
- Derive the equation of motion of a rotating body.
- Derive Euler’s equations.
- Discuss the motion of precession of a top.
- Explain briefly about Gyroscope.
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