Given that SQ = 10cm and SP = 6cm, the refractive index of a block of glass shown above is
0.30
0.60
1.67
2.33
2.36
Correct answer is C
No explanation has been provided for this answer.
What is the acceleration of a particle whose motion is graphically displayed in the diagram above
0.67ms-2
0.83-2
0.87-2
92-2
2.0-2
Correct answer is A
No explanation has been provided for this answer.
The Diagram above shows the prism arrangement in a
Microscope
tereoscope
projector
periscope
gyroscope
Correct answer is D
No explanation has been provided for this answer.
The total capacitance of the circuit above is?
0.25mF
0.50mF
0.75mF
1.25mF
1.50mF
Correct answer is E
CTotal in parralel = C1 + C2 + C3
CTotal = 2 + 2 + 2 → 6
C Total in series = 1 / C\(_1\) + 1 / C\(_2\)
1 / C\(_T\) = 1/2 + 1/6
1 / C\(_T\) = \(\frac{4}{6}\)
cross multiply
C\(_T\) = \(\frac{3}{2}\) or 1.5mF
What is the total resistance in the above diagram?
5 ohms
15 ohms
25 ohms
35 ohms
45 ohms
Correct answer is C
Resistance in series will be given as R = 10+10 → 20
Resistance in parallel will be given as \(\frac{1}{R}\) = \(\frac{1}{10}\) + \(\frac{1}{10}\)
\(\frac{1}{R}\) = \(\frac{2}{10}\) → \(\frac{1}{R}\) = \(\frac{1}{5}\)
Resistance in parallel = 5
Total resistance = 20 + 5 → 25ohms
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