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Jugar Test
1. 
A black hole is so strong that...
A.
Light can escape
B.
Nothing can escape
2. 
Can we see black holes actually?
A.
Yes
B.
No
3. 
Why can not we see black holes?
A.
They don’t reflect light
B.
The sun illuminates black holes
4. 
Black holes are formed when...
A.
The moon explodes
B.
A star explodes
5. 
Where are the super-massive black holes?
A.
In the ocean
B.
At the center of galaxies
6. 
Who named this phenomenon as “black hole”?
A.
John Michell
B.
John Archibald