# Physics: Problems with Solutions

Here you can 17 solve physics problems to gain experience, as well as test your acquired knowledge and solidify it.

## Intensity of The Light After Passing Through The Polarizing Filter

Calculate the intensity of a laser beam after passing through a polarization filter. A physics problem with solution and explanation of the Malus formula.

## Calculation of the Magnetic Flux of a Rectangular Coil in a Magnetic Field

Calculate the magnetic flux of a rectangular coil with a given area and angle in a homogeneous magnetic field.

## Excited Hydrogen Atom: Quantum Numbers and Orbitals

Calculate the discrete energy states of the H atom and work with K, L, M, N shells. Find the number of orbitals and energy of the electron.

## Calculation of the Mass Defect of a Nucleus

Calculate the mass defect/deficit of a nucleus with given nuclear charge number and mass number using the formula for mass defect.

## Calculate the Current and Resistivity of a Cylindrical Wire

How to calculate the current and resistance of a cylindrical wire? Find the answer to this question in this exercise with solution!

## Chromatic Aberration: Refractive Index-Focal Length Relationship

In this exercise (+ solution) you will learn how to cause chromatic aberration by changing the refractive index and create a small shift in focal length.

## Wavelength of The Monochromatic Light in a Double-Slit Experiment

Given the slit, screen, and fringe spacing, use the double slit experiment to calculate the used wavelength of the light.

## An Ion Orbiting Around The Equator in The Magnetic Field

In this exercise, you want to make an ion orbit around the equator. To do this, you want to find out its velocity, for example.

## Charge, Capacitance and Half-Life of a Capacitor When Discharging From 50V to 15V.

In this exercise, you need to find out from the discharge process of the capacitor what its capacitance and time constant are, as well as the half-life and the initial charge on the capacitor.

## Simplify 6 Integrals with the Delta Function

Here you practice calculating integrals in which a Dirac delta function occurs. You have to use the properties of the Dirac's delta.

## Torsion tensor & Christoffel symbols with torsion

In this problem (with solution) you have to derive the torsion tensor and then the expression for Christoffel symbols with torsion.

## Potential Energy at Different Heights

In this exercise (with solution) you practice calculating gravitational potential energy to get a feel for this form of energy.

## Simplify 6 Expressions with Kronecker Delta

Here you practice the properties of the Kronecker delta by simplifying given expressions as much as possible.

## Big O Notation

In this exercise (with solutions), the big O notation is practiced by checking functions to see if they lie in the big O set.

## Create a Plate Capacitor with a Certain Capacitance

In this exercise (with solution) you have to calculate the distance between the capacitor plates for a given capacitance and and than use relative permittivity.

## Capacitor with and without dielectric in comparison

In this exercise with solution about the plate capacitor, the capacitance, voltage and energy must be compared with and without dielectric.

## Charge in a thundercloud

The exercise teaches you how to calculate the charge of a thundercloud using the capacitance and E-field in the plate capacitor.

## The Most Useful Physics Formula Collection on the Internet

+ Perfect for high school and undergraduate physics students
+ Contains over 500 illustrated formulas on just 140 pages
+ Contains tables with examples and measured constants
+ Easy for everyone because without vectors and integrals