Question 1

What is the main defining feature of a supernova?

Accepted Answer

Rapid increase in absolute magnitude

Answer

Rapid increase in temperature

Answer

Rapid increase in power

Answer

Rapid increase in apparent magnitude

Question 2

Which of the following is used as a standard candle?

Accepted Answer

Type 1a supernova

Answer

White dwarf

Answer

Type 1 supernova

Answer

Neutron star

Question 3

Why are supernova used as standard candles

Accepted Answer

To work out distances

Answer

To work out absolute magnitude

Answer

To work out apparent magnitude

Answer

To work out temperature

Question 4

How much energy does a supernova release

Accepted Answer

$10^{44}$

Answer

$10^{40}$

Answer

$10^{22}$

Answer

$10^{55}$

Question 5

What do neutron star form from?

Accepted Answer

Stars 2 x the size of sun

Answer

Stars like the sun

Answer

Stars smaller than the sun

Question 6

Which of the following is not a defining feature of a neutron star?

Accepted Answer

Very bright

Answer

Spins rapidly

Answer

Very dense

Answer

Small diameter

Question 7

What name is given to the boundary where the escape velocity is equal to the speed of light

Accepted Answer

Event horizon

Answer

Neutron star

Answer

White dwarf

Answer

Black hole

Question 8

Schwarzschild radius is

Accepted Answer

The radius of the event horizon

Answer

Radius of neutron star

Answer

Radius of supernova

Answer

Radius of black hole

Question 9

The density of super massive black holes is similar to

Accepted Answer

Water

Answer

Oil

Answer

Copper

Answer

Honey

Question 10

Where are super massive black holes found

Accepted Answer

Centre of most galaxies

Answer

Centre of universe

Answer

Most galaxies

Answer

Most solar systems

Question 11

What is the relationship between density and mass of a black hole

Accepted Answer

Inversely proportional

Answer

Inverse square

Answer

Proportional

Question 12

What is the the main defining feature of a black hole

Accepted Answer

Escape velocity is greater than speed of light

Answer

Its black

Answer

?

Answer

Its a hole

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