For each of the items (i) - (x) choose the correct answer from among the given alternatives and write its letter beside the item number. Each item carries 1 mark.

Match the items in list A with the responses in list B by writing the letter of the correct response beside the item number. Each item carries 1 mark. List A (i) Newton metre (Nm) (ii) Reverberation (iii) Longitudinal wave (iv) No evidence of having an atmosphere (v) Neutral point (vi) Motor (vii) ᵯ - radiation (viii) Angle between magnetic north and geographical north direction at the place concerned (ix) Originate from the nuclei of an atom (x) n-type semiconductor List B A Planet Jupiter B Has donor impurity C Angle of variation D A tone heard when a tuning fork is sounded E Gamma rays F Work done G Application of momentum change H Basic physical quantities I A point in magnetic field where resultant field is zero J Planet Mercury K Controls temperature change L Sound waves M Prevents weakening of bar magnets N Converts electrical energy into mechanical energy O The multiple reflection of sound waves when they are placed in an enclosed room or cavity P Deflected by magnetic and electric field Q Paper thickness control R Has acceptor impurity S Rise and fall of sound of two vibrating objects T Angle of variation

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Boresha ili kuona majibu ya mfano.

A 50 g mass is placed on a straight track sloping at an angle of 45° to the horizontal as shown in figure 1 below. Calculate

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A 50 watt heater is inserted in a 2 kg block of aluminium which also holds a thermometer. The temperature of the block rises by 8 K in 5 minutes. Neglecting heat losses, calculate the specific heat capacity of aluminium.

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The distance between the film and the lens in a camera is 6.25 cm when it is focused on an object 1.5 m from the lens. How far must the lens be moved, and in what direction, in order to focus the camera on the distant object?

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Select the best fuse for the following:

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Fig 2 below shows two coils X and Y. X is connected to a battery and Y is connected to a centre galvanometer G. [Diagram showing two coils, one connected to a battery and switch, the other to a galvanometer.]

Boresha ili kuona majibu ya mfano.

Boresha ili kuona majibu ya mfano.

Boresha ili kuona majibu ya mfano.

Boresha ili kuona majibu ya mfano.