1.62 cm
johnmulu answered the question on April 18, 2017 at 09:51
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Figure 1 shows a metal cube of mass 1.75g placed between the jaws of a micrometer screw gauge.
The magnified portion of the scale is also shown. The reading on the guage when the jaws were fully closed without the cube was 0.012 cm. Use this information and the figure to answer questions a) and b)
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Date posted: April 18, 2017. Answers (1)
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Explain the observation made when the switch is closed.
Date posted: April 18, 2017. Answers (1)
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Date posted: April 18, 2017. Answers (1)
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Date posted: April 18, 2017. Answers (1)
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Using this information in Fig. 1 explain the difference between the substances P and Q with reference to the domain theory
Date posted: April 18, 2017. Answers (1)
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Date posted: April 18, 2017. Answers (1)
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i) Other than L1, state the lamp that will light when S1 and S2 are closed.
ii) How does the brightness in L1 in (i) above compare with its brightness when all the switches are closed?
iii) Explain the observation in (ii) above
Date posted: April 18, 2017. Answers (1)
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a) State the polarities of the parts labeled A and B.
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Date posted: April 18, 2017. Answers (1)
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Figure 10 shows two circuits in which identical dry cells and identical bulbs are used. Use the information in the figure to answer questions a) and b)
a) Explain why the bulb in Figure 10 (b) will be brighter than each of the bulbs in Figure 10 (a).
b) Give the reason why the cells in Figure 10 (b) can be used for a longer period than the cells in Figure 10 (a).
Date posted: April 18, 2017. Answers (1)
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Figure 10 shows two circuits in which identical dry cells and identical bulbs are used. Use the information in the figure to answer questions a and b
a) Explain why the bulb in figure 10 (b) will be brighter than each of the bulbs in figure 10 (a).
b) Give the reason why the cells in figure 10 (b) can be used for a longer period than the cells in Figure (10a)
Date posted: April 17, 2017. Answers (1)
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State with reason, in which circuit the lamp will be lit for a longer period
Date posted: April 17, 2017. Answers (1)
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Date posted: April 17, 2017. Answers (1)
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Date posted: April 17, 2017. Answers (1)
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Figure 4 shows a source of heat placed at equal distances from two identical flasks X and Y containing air. The surface of X is painted black while Y is clear.
X and Y are linked by a U-tube filled with whose levels S and T are initially the same. It is later observed that S falls while T rises. Explain this observation.
Date posted: April 17, 2017. Answers (1)