Physics & Astronomy

Which was the first gravitational wave detection?

• Ø  GW140722

• GW150922

• Ø  GW170104

• Ø  GW190412

Who gave theory of general relativity?

• Ø  Stephen Hawking

• Ø  Galileo Galilei

• Ø Albert Einstein

• Sir Isaac Newton

How many gravitational wave detectors are there till now?

• 2

• 5

• 7

• 3

What is the full form of LIGO?

• Ø  Laser Interferometer Gravitational Wave Observatory

• Ø  Light Interferometer Gravitational Wave Observatory

• Ø  Laser Interference Gravitational Wave Observatory

• Ø  Light instrumentation Gravitational Wave Observatory

What is strongest thing in black hole?

• Ø  Magnetic field

• Ø  Electric field

• Ø Gravitational force

• Ø  Electrostatic force

What is the length of the interferometer of LIGO?

• 4km

• 7km

• 2km

• 3km

Which detector is not in the operation?

• Ø  LIGO Hanford

• Ø  LIGO Livingston 

• Ø  Virgo detector

• LIGO India

What's the boundary of a black hole called?

• Ø The outside

• Ø  The point of singularity

• Ø  The event horizon

• Ø  The encasing

 

How many binary black holes are detected till now?

• 7

• 10

• 19

• 25

When did Albert Einstein Predict the black hole with his theory of relativity?

• 1926

• 1899

• 1945

• 1916