Top answers

Physics
All levels

What is Olbers' paradox?

Olbers' paradox is a thought experiment that arises in cosmology* which shows that our universe does not fit the "Static Newtonian" model.
Sir Isaac Newton...

AJ
Answered by Alexander J. Physics tutor
4954 Views

What is a potential divider?

A potential divider is essentially a series circuit. The characteristics of a series circuit is such that voltage from the source (a battery for example) gets split across the resistors according to t...

MK
Answered by Mehrin K. Physics tutor
5432 Views

How do control rods work in a nuclear fission reactor?

In Nuclear Fission, neutrons collide with radioactive atoms (eg Uranium-235) in order to split the atom into two smaller atoms and releasing energy. The more n...

JH
Answered by Jordan H. Physics tutor
8320 Views

Why does a single slit diffraction pattern occur?

When light passes through a narrow gap it will diffract (spread out). This means the light reaching the screen could have come from anywhere w...

JH
Answered by Jordan H. Physics tutor
13674 Views

How big a magnetic field does the LHC require to contain its protons?

In the LHC protons are accelerated to almost the speed of light. They are contained in the circular accelerator by the 1232 superconducting dipole magnets. How strong does the magentic field need to b...

MS
Answered by Mark S. Physics tutor
3104 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning