SuperCoaching AE/JE by Testbook
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What is the sum of the infinite geometric series 1 + 1/3 + 1/9 + ... ?
Anonymous Quiz
14%
3/4
50%
4/3
26%
3/2
10%
2
Which molecule has the largest dipole moment?
Anonymous Quiz
16%
CO2
32%
BF3
37%
H2O
15%
CCl4
What is the area of a circle with radius 5?
Anonymous Quiz
12%
10π
77%
25π
9%
2%
100π
2
What's the limit of (sin(x)/x) as x approaches 0?
Anonymous Quiz
12%
0
63%
1
19%
7%
Doesn't exist
Which element has the highest electronegativity?
Anonymous Quiz
57%
Fluorine
30%
Chlorine
9%
Oxygen
5%
Nitrogen
2
A ball is thrown upwards. At its highest point, what's its acceleration?
Anonymous Quiz
33%
0 m/s²
52%
9.8 m/s² downwards
12%
9.8 m/s² upwards
4%
Depends on the initial velocity.
A satellite orbits Earth. If its orbital radius doubles, how does its speed change?
Anonymous Quiz
22%
Doubles
32%
Halves
38%
√2 times smaller
9%
√2 times larger