### Bsc 2nd Year Physics Important Questions 2023

Today, we will discuss the Bsc 2nd Year Physics Important Questions 2022-2023.

This will be for the upcoming examinations.

These questions have been taken from the previous year's question set.

Basically, the main motive to provide these questions is to introduce the pattern of questions.

We are providing you the b.sc 2nd year physics important questions of paper 1 and paper 2 to understand the pattern smoothly.

I would like to request you that please don't depend on these questions.

These are the model questions, which will provide you with the previous year's questions.

Obviously, these are important.

So you note down these questions on your physics BSc 2nd year notebook.

Now read the related chapter from your textbook.

After understanding the meaning of the lesson, start to write the answer to these questions in your own words.

Adopt these methods to memorize the BSc physics 2nd year answer without giving extra effort.

You can memorize the answer for long period.

Every university set different questions for BSc second year physics.

If the below questions do not match your syllabus, just treat it as a physics model paper for the 2022-2023 examinations.

When you prepare the answer to these questions, use the physics BSc second year textbook for better writing.

Physics for BSc 2nd year is a tough subject, but it is easy if you will read it with interest.

In this post, we are providing BSc 2nd year physics important questions.

Apart from this, we are bifurcating it into two parts.

In the first part, you will get back BSc 2nd year physics 1st paper important questions and the second part will contain BSc 2nd year physics 2nd paper important questions.

### Bsc 2nd Year Physics Important Questions

#### Bsc 2nd Year Physics 1st Paper Important Questions

- Describe Cartesian, spherical polar, and cylindrical coordinate systems and show the position coordinates in each of them and establish their interrelations. Write expressions for infinitesimal volume elements in each of them.
- Explain generalized coordinates, degrees of freedom, and constraints.
- State and explain the principle of least action. Use this to derive Lagrange's equations of motion.
- Deduce the equation of motion of a compound pendulum by writing the Lagrangian of the same.
- Obtain an expression for the force acting on a particle in a rotating frame and explain centripetal and centrifugal forces
- Using four-dimensional formulations in relativity, obtain the equation for variation of mass with velocity.
- Write down Einstein's postulates of the special theory of relativity and hence derive Lorentz transformations. equations.
- Obtain the equation of stationary waves and find the portions of nodes and antinodes.
- Explain the following:- (a) D' Alembert's principle (b) Curl, the divergence of a vector, and the grad of a scalar.

#### Bsc 2nd Year Physics 2nd Paper Important Questions

- Deduce Maxwell’s law of velocity distribution amongst the molecules of an ideal gas. Use this law to find an expression for the most probable velocity.
- State the principle of equipartition of energy and derive the result that the mean energy of a system of gases is 1/2KT per degree of freedom.
- Give Einstein’s theory of Brownian motion.
- Deduce an expression for steady-state temperature distribution along a uniform metal rod heated at one end.
- Use Debye's theory to find the formula for the specific heat of a solid.
- Derive Maxwell’s thermodynamics relations. On their basis solve at least two simple physical problems.
- What is first-order phase transition? Derive the Clausius-Clapeyron equation for these transitions. Also, explain the triple point with the help of a suitable diagram.
- Describe the porous plug experiment and discuss the Joule-Thomson effect.
- Derive the expression for the efficiency of a Carnot engine using the second law of thermodynamics. Define Carnot’s refrigerator.
- Write brief notes on any two of the following:- (a) Adiabatic and isothermal charges (b) Chemical potential (c) Reversible & irreversible process (d) Triple point.

#### Mathematical Physics Bsc 2nd Year Important Questions

*(Bsc 2nd Year Physics Previous Question Papers For Upcoming Exams)*- What is an ideal black body?
- What is Wien's displacement law?
- Define Planck's quantum hypothesis.
- What is the emission potential?
- What is emissivity?
- Draw the experimental curve of black body radiation.
- What is ultraviolet irregularity/disadvantage?
- What is Stephen's law? Derivate it on the basis of laws of thermodynamics.
- Explain Raleigh Jeans Law and write its drawbacks.
- Explain the spectrum distribution of energy in Krishna's wicket and describe its characteristics by making curves at different temperatures.
- Show that the radiation formula of plaque converges to Rayleigh Gine's law for short wavelengths.
- Write the definition of side, axial and angular magnification.
- Define the main points of the optical system.
- Write the statement of Fermat's law.
- Draw a labeled picture of an oil sinking objective.
- Get Abe's sine restriction.
- Using the law of extreme path, explain the law of reflection.
- Find the focal length and principal points of the combination of two thin lenses separated by a finite distance.
- What is Art Associated Time and Art Associated Distance?
- Explain the meaning of laser.
- Explain stimulated and spontaneous emission.
- Explain the accuracy of the spectral line.
- Define population inversion and ecological energy level.
- Derive the relation in Einstein multiples.
- Explain in detail the principle and workings of holography.
- Describe the structure and working of the helium-neon gas laser.
- Describe the principle of optical fiber and its construction and with its help explain the mechanism of light propagation.
- Generate an expression for longitudinal characterization by a lens.
- What is a zonal plaque? Compare zone plaque with tissue lens.
- Find the positions of the principal points of Huygens' eyepiece and mark them on the figure.

### FAQ

**Question - What are 3 important facts about carbon?**

**Answer** - Points are - (1) - Carbon atoms can be linked by strong, stable covalent bonds. (2) - Carbon atoms can form stable bonds with many other elements (H, F, Cl, Br, I, O, N, S, P, etc.) (3) - Carbon atoms can form complex structures, such as long chains, branched chains, rings, chiral compounds. (*Ref- angelo.edu*)

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