Question 1
Ten glass marbles, each of mass 6.0 g, were gently lowered into a 100cm3 measuring cylinder containing water to the level marked A. The water level rose to the level marked B as shown in Fig. 1 below
Determine the density of the glass.
Answer
Question 2
On the axes provided, sketch a graph of PV against V for ideal gas in which Boyle’s law is obeyed
Answer
Question 3
Fig. 2 represents a flaming non-drip candle
State and explain how the candle’s stability changes as it burns.
Answer
-The stability increases the centre of gravity is lowered
Question 4
Water flows steadily through a pipe of diameter 30 mm at 20 ms-1. The pipes narrows at some point and its diameter reduces to 20 mm. what is the speed of water at this point
Answer
Question 5
Fig.3 below shows a stretched spring held in position by two identical spring balances P and Q.
What will be the reading on spring balance Q?
Answer
10N .