Waves
Mechanics
Electromagnetism
Thermodynamics
Famous Physicists
100

Timbre

Why does a piano sound different from a guitar even when playing same note?

100

This is the SI Unit for Work

Joules(J)

100

This is the speed of a radio wave

What is the speed of light?

100

There is no change in this in an isothermal process

What is temperature?

100

This scientist is widely known for his thought experiment with a cat.

Erwin Schrodinger

200

This is generated by capturing the kinetic energy of water, often via a turbine

What is hydropower?

200

This is the formula for Moment of Inertia of a sphere about its diameter

2/5 MR^2

200

The divergence of magnetic field always equates to this

What is zero?

200

This is the amount of heat required to raise the temperature of 1g of something by 1 C

What is specific heat?
200

This Renaissance scientist is credited with the discovery of the pendulum.

Who is Galileo Galilei?

300

Laser is short for "light <this> by stimulated emission of radiation"

What is amplification?

300

This is a type of collision where momentum is conserved but kinetic energy is not

What is inelastic

300

This is the scientist who used a compass to discover that current produces a magnetic field

Who is Hans Christian Orsted?

300

This allows heat transfer but prevents matter transfer

What is closed system?

300

This law states that - emf creates a current I and magnetic field B that oppose the change in flux.

What is lenz?

400

This is an astronomical, optical technique to determine distances away from moving objects

What is doppler shift?

400

This term gradually replaced the cumbersome phrase "gravitationally completely collapsed object"

What is black hole?

400

This is commonly used in a rectifier to convert alternating current to direct current

What is diode?

400

This is a law of physics that will lead to the Heat Death or Big Chill fate of the universe

What is the 2nd law of thermodynamics/law of entropy?

400

Albert Einstein won the Nobel Prize for Physics in 1921 for his work on this

What is photoelectric effect?

500

This is the pulsation caused by combining two waves of slightly different frequencies

What are beats?

500

This is the speed where Newtonian mechanics breaks down

What is 0.1c?

500

This radiation is produced by rapidly spinning pulsars

What are X rays?

500

This law relates the maximum wavelength emitted with temperature

What is Wien’s Displacement Law?

500

In 1897, J.J. Thompson used this to measure the mass of the atom and its electric charge.

What is cathode ray tube?