A) 1879
B) 1923
C) 1897
D) 1905

A) Flat
B) Hexagonal
C) Curved
D) Spherical

A) The existence of parallel universes
B) The existence of gravitational waves
C) The absence of black holes
D) The reversal of time

A) Momentum is equivalent to energy
B) Charge is equivalent to mass
C) Gravity is equivalent to acceleration
D) Voltage is equivalent to current

A) As the interaction of strong and weak forces
B) As the transfer of particles
C) As the curvature of spacetime
D) As the result of friction

A) Three
B) Two
C) Four
D) Six

A) Black hole formation
B) Frame dragging
C) Quantum superposition
D) Time dilation

A) The curvature of a wormhole
B) The event horizon of a black hole
C) The circumference of the Earth
D) The distance between galaxies

A) Gravitational lensing
B) Electromagnetic deflection
C) Optical refraction
D) Reflection diffraction