Gravitational waves were first predicted by which scientist?
a) Isaac Newton
b) Albert Einstein
c) Galileo Galilei
d) James Clerk Maxwell
Gravitational waves are ripples in:
a) Magnetic fields
b) The fabric of spacetime
c) Electric fields
d) The atmosphere
Which theory predicts the existence of gravitational waves?
a) Quantum Mechanics
b) General Relativity
c) Special Relativity
d) Newtonian Mechanics
Gravitational waves are primarily caused by:
a) The rotation of the Earth
b) The motion of planets
c) Massive accelerating objects like black holes
d) The expansion of the universe
Which of the following observatories first detected gravitational waves?
a) LIGO
b) Hubble Space Telescope
c) CERN
d) Chandra X-ray Observatory
Gravitational waves travel at the speed of:
a) Sound
b) Light
c) A rocket
d) A supersonic jet
Gravitational waves were first directly detected in:
a) 1995
b) 2001
c) 2015
d) 2020
The LIGO observatory uses what method to detect gravitational waves?
a) X-ray imaging
b) Laser interferometry
c) Electromagnetic radiation
d) Doppler shift
Which cosmic event can generate strong gravitational waves?
a) A supernova explosion
b) The collision of two neutron stars
c) The merging of black holes
d) All of the above
What happens to spacetime when a gravitational wave passes through it?
a) It remains unchanged
b) It oscillates and stretches
c) It becomes denser
d) It slows down time
Which type of astronomical objects are often studied using gravitational waves?
a) Exoplanets
b) Asteroids
c) Neutron stars and black holes
d) Comets
What is the primary challenge in detecting gravitational waves?
a) They are too fast
b) They are extremely weak
c) They interfere with light
d) They only exist in theory
Which international project is planned to detect gravitational waves from space?
a) LISA (Laser Interferometer Space Antenna)
b) Hubble Telescope
c) Event Horizon Telescope
d) James Webb Space Telescope
The Nobel Prize in Physics for the first direct detection of gravitational waves was awarded in:
a) 2016
b) 2017
c) 2018
d) 2019
What property of gravitational waves allows them to pass through objects unaffected?
a) Their high speed
b) Their strong interaction with matter
c) Their weak interaction with matter
d) Their frequency
What is the typical frequency range of detected gravitational waves?
a) Infrared range
b) Audio range
c) X-ray range
d) Ultraviolet range
Why are two or more detectors used to confirm gravitational wave detection?
a) To ensure data accuracy
b) To detect multiple wave frequencies
c) To increase sensitivity
d) To analyze cosmic microwave background
Which of the following waves require a medium to travel?
a) Light waves
b) Gravitational waves
c) Sound waves
d) Gamma rays
The study of gravitational waves helps scientists understand:
a) The formation of the solar system
b) The structure of black holes
c) The origin of the universe
d) Both b and c
Gravitational waves were indirectly confirmed by studying:
a) The motion of galaxies
b) The binary pulsar PSR B1913+16
c) The cosmic microwave background
d) The redshift of distant stars
How do gravitational waves differ from electromagnetic waves?
a) They travel slower than light
b) They interact strongly with matter
c) They can pass through objects without being absorbed
d) They need a medium to propagate
The amplitude of gravitational waves depends on:
a) The mass of the objects producing them
b) The distance between the objects
c) The speed of the objects
d) All of the above
Which space-based observatory is planned to detect low-frequency gravitational waves?
a) Kepler
b) LISA
c) Hubble
d) Spitzer
How can gravitational waves be used in astronomy?
a) To study black hole mergers
b) To detect exoplanets
c) To analyze chemical compositions of stars
d) To observe dark matter directly
Gravitational waves can provide information about:
a) The early universe
b) The structure of galaxies
c) The age of the sun
d) The composition of Jupiter
What causes the stretching and squeezing effect of gravitational waves?
a) The expansion of the universe
b) The oscillation of quantum particles
c) The bending of spacetime
d) The motion of subatomic particles
Which two black holes merging resulted in the first detected gravitational wave?
a) Cygnus X-1 and Sagittarius A*
b) A binary black hole system in the LIGO event GW150914
c) Andromeda black hole and Milky Way black hole
d) None of the above
What is the primary significance of detecting gravitational waves?
a) Confirmation of Einstein’s theory of General Relativity
b) Evidence of new chemical elements
c) Proof of the existence of dark energy
d) Discovery of parallel universes
Which of the following can be studied through gravitational wave astronomy?
a) Neutron star collisions
b) The core of the sun
c) The behavior of light in a vacuum
d) The shape of the Earth
