Consider the following phenomena: 1. Light is affected by gravity. 2. The Universe is constantly expanding. 3. Matter warps its surrounding space-time. Which of the above is/are the prediction/predictions of Albert Einstein’s General Theory of Relativity?

1. Consider the following phenomena: 1. Light is affected by gravity. 2. The Universe is constantly expanding. 3. Matter warps its surrounding space-time. Which of the above is/are the prediction/predictions of Albert Einstein’s General Theory of Relativity?

1 and 2 only

3 only

1 and 3 only

1, 2 and 3

2. What is the phenomenon called when light bends around a massive object like a black hole or galaxy?

Gravitational lensing

Doppler shift

Redshift drift

Photon decay

3. Einstein’s prediction about light bending near the Sun was first confirmed during which event?

A lunar eclipse in 1905

A solar eclipse in 1919

The Moon landing in 1969

A comet flyby in 1986

4. General Relativity also predicts gravitational waves. Which observatory first directly detected them, in 2015?

LIGO

Hubble Space Telescope

IceCube

Chandra X-ray Observatory

5. Why must GPS satellites correct for effects predicted by General Relativity?

Otherwise their positioning would drift by kilometres daily

Otherwise they would run out of fuel faster

Otherwise they could not communicate with each other

Otherwise their solar panels would fail

Consider the following phenomena: 1. Light is affected by gravity. 2. The Universe is constantly expanding. 3. Matter warps its surrounding space-time. Which of the above is/are the prediction/predictions of Albert Einstein’s General Theory of Relativity?

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