Genex 1-on-1 Quiz

When did the Big Bang occur?

• 1.3 billion years ago

• 1.33 million years ago

• 138 billion years age

• 13.7 billion years ago

Answer explanation

Astronomers estimate the age of the universe in two ways:

1) by looking for the oldest stars

2) by measuring the rate of expansion of the universe and extrapolating back to the Big Bang

Why don’t astronauts’ muscles and bones stay strong while in space?

• They do not have enough food to eat.
• There is no weight to put pressure on their muscles and bones.
• They are not able to exercise in space.
• They do not have muscles in space.

Which of the following Planets have no moons?

• Pluto and Mercury

• Mars and Venus

• Mercury and Venus

• Pluto and Mars

Anti-matter counterpart of an electron is ____

• Positron

• Posi-electron

• antitron

• Anti-matter doesn't exist!

What is 1 light year?

• A unit of Time

• A unit of Distance

• A unit of Speed

• A unit of Acceleration

Which scientist came up with a theory that explains this?

• Sir Isaac Newton

• Albert Einstein

• Ernest Rutherford

• Richard Feynman

Based on Special theory of relativity, as an object travels faster, he/she experiences time to run ___

• faster

• no change

• give me a rocket to test that

• slower

What is the red/yellow section around this object called?

• Gamma ray bursts

• Quasar spiral flare

• Accretion disk

• Photon sphere

The atomic number and the mass number of this atom are __ & __ respectively.

• 8 & 6

• 6 & 8

• 6 & 14

• 8 & 14

• 3

• 4

• 5

• 2

Answer explanation

Germanium has 4 shells.

Shell 1 (k) : 2 e-

Shell 2 ( l) : 8 e-

Shell 3 (m) : 18 e-

Shell 4 (n) : 4 e-