Class 11 IMP QUESTION PHYSICS..NEB

 

Here are the Important Questions for Class 11 Physics (NEB - Nepal Board) divided chapter-wise and covering numericals, short questions, and long questions. These are based on the NEB syllabus and past trends:

🧮 UNIT-WISE IMPORTANT QUESTIONS

1. Physical Quantities and Measurement

Short Questions:

Define significant figures with rules.

Difference between accuracy and precision.

What is dimensional formula of force? Use it to check the correctness of the formula 

Numerical:

Convert a given value from one unit to another using dimensional analysis.

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2. Kinematics

Short Questions:

Derive the equations of motion using calculus.

Graphical representation of motion (velocity-time, displacement-time).

Numerical:

A body starts from rest and accelerates uniformly. Find distance covered in 5 sec.

Solve projectile motion problems (range, height, time of flight).

Long Questions:

Derive expressions for the range and maximum height of a projectile.

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3. Laws of Motion

Short Questions:

State Newton's three laws of motion with examples.

Define inertia and types.

Numerical:

A 10 kg block is pulled on a smooth surface with a force of 50 N. Find its acceleration.

Long Questions:

Explain the motion of a lift with tension in string.

Derive expression for motion on inclined plane with friction.

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4. Work, Energy and Power

Short Questions:

Define work. Conditions for positive and negative work.

State and prove work-energy theorem.

Numerical:

Calculate kinetic energy and potential energy of a body.

Find power developed by a person climbing stairs.

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5. Rotational Dynamics 🌟 (Very Important)

Short Questions:

Define moment of inertia and radius of gyration.

Differences between torque and force.

Numerical:

Moment of inertia of a rod about one end.

Rotational kinetic energy problems.

Long Questions:

Derive expression for moment of inertia of a solid sphere.

Compare linear motion and rotational motion.

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6. Gravitation

Short Questions:

State and explain Newton’s law of gravitation.

Define ‘g’. How does it vary with height and depth?

Numerical:

Calculate value of ‘g’ at a certain height.

Orbital speed of satellite.

Long Questions:

Derive expression for variation of ‘g’ with height.

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7. Oscillations and Waves

Short Questions:

Define SHM. Write its differential equation.

Define amplitude, frequency, phase.

Numerical:

Time period of a simple pendulum.

Velocity and acceleration in SHM.

Long Questions:

Derive the expression for time period of a simple pendulum.

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8. Heat and Thermodynamics

Short Questions:

Define isothermal and adiabatic processes.

State the laws of thermodynamics.

Numerical:

Heat required to change temperature of substance.

Work done in isothermal expansion.

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9. Mechanical Properties of Matter

Short Questions:

Define stress, strain, and modulus of elasticity.

State Hooke’s Law.

Numerical:

Calculate Young's modulus from given data.

Work done in stretching a wire.

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10. Fluid Mechanics

Short Questions:

State and explain Pascal’s law.

Define surface tension and viscosity.

Numerical:

Calculate pressure at a depth in liquid.

Bernoulli’s equation applications.

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📌 MOST IMPORTANT NUMERICALS (Name-wise)

1. Projectile motion – maximum height, range, time of flight.

2. Lift problems – tension in string when accelerating.

3. Moment of inertia – rod, ring, disc.

4. Gravitational fie

ld – value of g at height/depth.

5. SHM problems – max speed, time period.

6. Thermodynamics – work done in gas laws.

7. Viscosity – Stoke’s law.

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If you want this as PDF notes, or chapter-wise practice sheets, let me know!