MAKAUT Physics-I (Gr-A) (BS-PH101) PYQ 2026 with Solutions

Q: What is the subject code for Physics-I (Gr-A)?

BS-PH101 is the MAKAUT subject code for Physics-I (Gr-A).

Q: Which exam is this Physics-I (Gr-A) question paper from?

The MAKAUT 2026 Mid Sem exam, semester 1. A student shared it, and it was checked before publishing.

Q: Which branches is this Physics-I (Gr-A) paper for?

It's a common paper for 8 B.Tech branches: Civil Engineering, Computer Science and Engineering, Computer Science and Engineering (Data Science), Electronics and Communication Engineering, Electrical Engineering, Mechanical Engineering, Information Technology and Computer Science and Engineering (Artificial Intelligence and Machine Learning). Every branch gets the same questions.

Q: Are there solutions for this paper?

Yes. Every question in the 2026 Physics-I (Gr-A) paper has a worked answer on this page, grouped like the paper. The first answer is free to read; sign in (it's free) to unlock the rest.

About this paper

The MAKAUT Physics-I (Gr-A) (BS-PH101) 2026 Mid Sem previous year question paper, set in semester 1. Download the verified PDF or read it online, then check your answers against the worked solutions above.

Common paper for 8 branches

Every branch listed gets the same questions. Pick a branch to see its other papers.

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Frequently asked questions

5 questions

What is the subject code for Physics-I (Gr-A)?

BS-PH101 is the MAKAUT subject code for Physics-I (Gr-A).

Which exam is this Physics-I (Gr-A) question paper from?

The MAKAUT 2026 Mid Sem exam, semester 1. A student shared it, and it was checked before publishing.

Which branches is this Physics-I (Gr-A) paper for?

It's a common paper for 8 B.Tech branches: Civil Engineering, Computer Science and Engineering, Computer Science and Engineering (Data Science), Electronics and Communication Engineering, Electrical Engineering, Mechanical Engineering, Information Technology and Computer Science and Engineering (Artificial Intelligence and Machine Learning). Every branch gets the same questions.

Where can I find more BS-PH101 question papers?

On the Physics-I (Gr-A) subject page, which collects every year's papers along with notes and the syllabus.

Are there solutions for this paper?

Yes. Every question has a worked answer on this page, grouped like the paper. The first answer is free to read; sign in (it's free) to unlock the rest.

Solutions

Group AVery Short Answer Type Question · answer any 10 · 1 mark each

What is the displacement of a particle executing SHM, when the velocity is maximum?

What is poulation inversion?

What is the main difference between a polar dielectric and a non-ploar dielectric?

Phase velocity and group velocity are equal when the medium is _________

MB statistics is applicable for photons. State True or False.

Define solenoidal vector.

What is Optic Axis of a crystal?

Define magnetization vector M.

What is the zero-point energy of a quantum harmonic oscillator?

Which statistical distribution is followed by free electrons in a conductor?

Which property of light exhibits its transverse nature?

Calculate the energy in eV associated with a photon of Ruby laser radiation of wavelength 589nm.

Group BShort Answer Type Question · answer any 3 · 5 marks each

Plot the energy density of blackbody radiation as a function of wavelength at three different temperatures T1<T2<T3

What do you mean by Ultra-Violet Catastrophe?

Write the differential equation for free oscillation and forced oscillation explaining each term.

Distunguish between Amplitude resonance and velocity resonance. What is logarithmic decrement in damped oscillation?

Find the missing orders of a double slit diffraction pattern with slit width 0.21nm and and distance between the slits is 0.63nm.

A particle is trapped in an infinite one dimensional potential well of width 'L' . Plot its wavefunction and probability density function in its first excited state. Find the probability density at x=L/2.

Group CLong Answer Type Question · answer any 3 · 15 marks each

Distinguish between Fresnel and Fraunhofer Diffraction

Write the characteristics of LASER.

Mention three methods of producing plane polarized beam of light.

Explain briefly what do you mean by double refraction.

State Malus law.

Define conservative force and dissipative force giving examples. Show that the force acting on a particle in simple harmonic motion is a conservative one.

2 distinguishable particles which can be in in one of the E, 2E or 3E energy states. The total energy of the system is 4E. Find all the macro states and their corresponding microstates. How many total states are possible?

Indicate which statistics will be applicable for (i) electron (ii) photon (iii) pi meson (iv) 2He3\text{}_2\text{He}^32​He3.

Derive the following expression vg=vp−λdvpdλv_g = v_p - \lambda \frac{dv_p}{d\lambda}vg​=vp​−λdλdvp​​

State uncertainty principle. An electron is confined in a box of width 5 nm. Find the uncertainty in momentum and velocity of the electron. (mass of the electron m=10−3110^{-31}10−31kg).

What do you mean by degeneracy? Explain with the help of 3-dimensional potential cube.

What is Grating element? Write and plot the intensity distribution of a single slit diffraction pattern and find the positions of maxima, minima and secondary maxima.

Find the minimum thickness of a half wave plate and a quarter wave plate for a light wave of wavelength 5893 Angstrom. Given μO=1.66\mu_O = 1.66μO​=1.66 and μe=1.47\mu_e = 1.47μe​=1.47

What are the three basic components of a LASER? What is a optical resonator?

Find the moment of inertia of a cylinder of mass M and radius R about its own axis.

Calculate the number of photons emitted per second by a 20W source of monochromatic source of wavelength 431nm.

Find the energy difference between the ground state and 2nd excited state of an electron in a one dimensional infinite potential well of dimension 10 angstrom(m = 9.1×10−319.1 \times 10^{-31}9.1×10−31kg).

About this paper

Why solve Physics-I (Gr-A) PYQs?

Frequently asked questions

What is the subject code for Physics-I (Gr-A)?

Which exam is this Physics-I (Gr-A) question paper from?

Which branches is this Physics-I (Gr-A) paper for?

Where can I find more BS-PH101 question papers?

Are there solutions for this paper?

Have notes or the answer key for Physics-I (Gr-A)?

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Indicate which statistics will be applicable for (i) electron (ii) photon (iii) pi meson (iv) $\text{}_2\text{He}^3$ .

Derive the following expression $v_g = v_p - \lambda \frac{dv_p}{d\lambda}$

State uncertainty principle. An electron is confined in a box of width 5 nm. Find the uncertainty in momentum and velocity of the electron. (mass of the electron m= $10^{-31}$ kg).

Find the minimum thickness of a half wave plate and a quarter wave plate for a light wave of wavelength 5893 Angstrom. Given $\mu_O = 1.66$ and $\mu_e = 1.47$

Find the energy difference between the ground state and 2nd excited state of an electron in a one dimensional infinite potential well of dimension 10 angstrom(m = $9.1 \times 10^{-31}$ kg).