IDL: Physics Quiz

What is Einstein's famous Equation?

Who invented the light bulb? He could be said to have created the first commercially practical incandescent light.

• Elon Musk

• Thomas Edison

• Nikola Tesla

• Alexander Graham Bell

What was Thomas Edison's full name?

• Thomas Marvolo Riddle Edison

• Thomas Malva Edison

• Thomas Alva Edison

• Thomas James Edison

How many Physicists does it take to change a light bulb?

• 1

• 2

• 3

Answer explanation

The physicists Isamu Akasaki, Hiroshi Amano and Shuji Nakamura won the 2014 Nobel prize "for the invention of efficient blue light-emitting diodes which has enabled bright and energy-saving white light sources."

Who postulated the wave nature of electrons?

• Ernest Rutherford

• Max Planck

• Niels Bohr

• Louis de Broglie

Albert Einstein won a Nobel prize in physics for...

• Special relativity.

• his discovery of the law of the photoelectric effect.

• General Relativity.

• his hair.

Light can possess orbital angular momentum. What degree of freedom possesses this property?

• amplitude

• polarization

• phase

• wavelength

Answer explanation

OAM of light originates from the twisting of its wave front, i.e a spiral phase. A helical wave front contains non-zero OAM.

The study of the way general functions may be represented or approximated by sums of simpler trigonometric functions, is called

• Real Analysis

• Modal Decomposition

• Fourier Analysis

• Complex Analysis