Intermediate ยท 2h 24m ยท 18 lessons
Physics: Intermediate
Vectors, rotation, heat and waves: NCERT Class 11 physics, worked out step by step.
What you'll learn
- โฆCalculate displacement, velocity and acceleration as vectors in a straight line or a plane. Find a projectile's range, height and time of flight
- โฆApply Newton's laws with friction and circular motion to find a force, acceleration or the maximum safe speed on a curve
- โฆCalculate work done and the change in kinetic energy using the work-energy theorem. Analyse a collision using momentum and power
- โฆCalculate torque and moment of inertia for a rotating body, and explain when angular momentum is conserved
- โฆCalculate a satellite's orbital speed and period using Kepler's laws and Newton's law of gravitation
- โฆCalculate stress, strain, pressure, viscous drag or surface tension in solids and fluids, and apply Bernoulli's principle to a flow
- โฆCalculate thermal expansion, calorimetry, gas-molecule speeds and the work, heat or efficiency of a process using the laws of thermodynamics
- โฆCalculate the period of a simple harmonic oscillator, and explain wave superposition and how the Doppler effect changes a heard pitch
Certification projects
Build 3 projects to earn your certificate
Hands-on work that proves you can apply what you learned โ part of the certificate requirements.
Syllabus
Module 1 ยท 24m
Units and Kinematics Free
What you'll be able to do
- Can check a formula's units for consistency and round a measurement to the correct significant figures
- Can calculate displacement, velocity and acceleration as vectors for motion in a straight line, using a position-time or velocity-time graph
- Can calculate a projectile's time of flight, maximum height and range from its launch speed and angle
Module 2 ยท 24m
Laws of Motion and Work-Energy Locked
What you'll be able to do
- Can calculate friction and the safe turning speed on a curve using Newton's laws
- Can calculate the work done by a force and use the work-energy theorem to find a change in speed
- Can calculate power, and analyse an elastic or inelastic collision using momentum and kinetic energy
Module 3 ยท 24m
Rotation and Gravitation Locked
What you'll be able to do
- Can calculate torque and moment of inertia for a simple rotating object
- Can explain angular momentum conservation using a spinning object that changes shape
- Can calculate a satellite's orbital speed and period using Kepler's laws and Newton's law of gravitation
Module 4 ยท 24m
Properties of Matter Locked
What you'll be able to do
- Can calculate stress, strain and Young's modulus for a stretched wire or rod
- Can calculate pressure at a depth and viscous drag on an object moving through a fluid
- Can apply Bernoulli's principle to explain why a fast-moving fluid has lower pressure
Module 5 ยท 24m
Heat and Thermodynamics Locked
What you'll be able to do
- Can calculate the change in length or volume of an object as its temperature changes, and the heat exchanged when two substances mix
- Can use the first and second laws of thermodynamics to find the work, heat or efficiency of a simple process
- Can calculate the average kinetic energy or speed of gas molecules using the kinetic theory
Module 6 ยท 24m
Oscillations and Waves Locked
What you'll be able to do
- Can calculate the period and frequency of a simple pendulum or a spring-mass system in SHM
- Can calculate a wave's speed, wavelength and frequency, and explain constructive and destructive superposition
- Can explain why a moving source or observer changes the heard pitch of a sound, where the current NCERT book covers it