SuperCoaching AE/JE by Testbook
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What's the limit of (sin x)/x as x approaches 0?
Anonymous Quiz
15%
0
56%
1
25%
3%
Doesn't exist
Which element has the electron configuration [Ar]4s²3d⁶?
Anonymous Quiz
20%
Fe
39%
Ni
33%
Cr
8%
Mn
😁1
A car accelerates from rest to 20 m/s in 5s. What's its average power if its mass is 1000kg?
Anonymous Quiz
21%
40 kW
41%
80 kW
32%
200 kW
5%
400 kW
A wire's resistance doubles. If voltage stays constant, current changes by:
Anonymous Quiz
17%
×2
52%
/2
27%
×4
3%
/4
A car accelerates from rest to 20 m/s in 5s. What's its acceleration?
Anonymous Quiz
3%
2 m/s²
71%
4 m/s²
19%
5 m/s²
7%
10 m/s²
Which molecule has a non-zero dipole moment, despite being symmetrical?
Anonymous Quiz
16%
CO₂
35%
BF₃
35%
H₂O
14%
CCl₄
What is the limit of (sin x)/x as x approaches 0?
Anonymous Quiz
18%
0
59%
1
22%
1%
Undefined
What increases the period of a simple pendulum?
Anonymous Quiz
10%
Increased mass
43%
Increased length
42%
Increased amplitude
5%
Decreased gravity