3.4m
2.7m
1.6m
0.8m
Correct answer is C
n = \(\frac{\text{real depth}}{\text{apparent depth}}\)
1.3 = \(\frac{2.1}{\text{apparent}}\)
A.D = \(\frac{2.1}{1.3} = 1.6\)
real and 6.67cm from the lens
virtual and 6.67cm from the lens
real and 60.00cm from the lens
virtual and 60.00cm from the lens
Correct answer is B
The focal length of a diverging lens is negative.
f = -12 cm; u = 15 cm.
\(f = \frac{uv}{u + v}\)
\(-12 = \frac{15v}{15 + v}\)
\(-12 (15 + v) = 15v \implies -180 - 12v = 15v\)
\(-180 = 15v + 12v \implies -180 = 27v\)
\(v = \frac{-180}{27} = -6.67 cm\)
The image is virtual and 6.67 cm from the lens.
What type of wave is emitted by a loud speaker?
Transverse
Longitudinal
Gamma
Radio
Correct answer is B
No explanation has been provided for this answer.
The diagram given illustrates a wave form. Determine the speed of the wave
5.4 ms-1
8.4 ms-1
9.6 ms-1
10.0 ms-1
Correct answer is D
No explanation has been provided for this answer.
Archimede's principle
Bernoulli's principle
Pascal's principle Heisenberg's
Heisenberg's uncertainty principle
Correct answer is C
No explanation has been provided for this answer.
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