Theory

CH10 - ELECTRON AND ELECTRONICS

Fig. 11.1 shows an electron beam about to enter, at point A, the electric field between two charged metal plates.![Fig. 11.1](attachment://electron_be...

2012 Summer

3

Theory

CH10 - ELECTRON AND ELECTRONICS

Fig. 11.1 shows a cathode-ray tube connected to external voltage supplies and switches. The terminals labelled H.T. are connected to a high voltage so...

2011 Summer

3

Theory

CH10 - ELECTRON AND ELECTRONICS

Fig. 11.1 represents a cathode-ray tube containing a number of different parts. There are empty boxes connected to four of the parts. These boxes are ...

2009 Summer

2

Theory

CH10 - ELECTRON AND ELECTRONICS

Fig. 11.1 shows a tube that can be used to produce cathode rays. Metal plates above and below the tube have zero potential difference between them. (a...

2011 Winter

3

Theory

CH10 - ELECTRON AND ELECTRONICS

Fig. 12.1 shows parts of a tube in which cathode rays are produced.(a) What occupies the remaining space within the tube? Tick one box.air [ ]hydrogen...

2012 Winter

3

Theory

CH10 - ELECTRON AND ELECTRONICS

Fig. 11.1 shows a tube for producing cathode rays, connected to two voltage supplies and switches.(a) Which switch has to be closed in order to make t...

2011 Summer

3

Theory

CH10 - ELECTRON AND ELECTRONICS

(a) Complete Fig. 11.2 so that it shows a circuit that will cause the bell to ring when the magnet is taken away. [2] (b) Fig. 11.3 shows a door in a ...

2010 Winter

2

Theory

CH10 - ELECTRON AND ELECTRONICS

(a) State what is meant by \textit{thermionic emission}..................................................................................................

2010 Summer

3

Theory

CH10 - ELECTRON AND ELECTRONICS

Fig. 10.1 is a simplified drawing of a tube for producing, deflecting and detecting cathode rays.The cathode rays are represented by the broken line i...

2014 Winter

3

Theory

CH10 - ELECTRON AND ELECTRONICS

A camera has a circuit containing a light-dependent resistor (LDR). Fig. 10.1 shows part of this circuit. (a) Describe what happens to the resistance ...

2015 Winter

3

MCQ

CH1 - MEASUREMENTS AND UNITS

The diagram shows part of a ruler. The ruler is used to find the length of a nail.What is the length of the nail?

2014 Summer

3

MCQ

CH2 - FORCES AND MOTION

Which distance/time graph represents the motion of an object moving at constant speed?

2014 Summer

2

MCQ

CH2 - FORCES AND MOTION

A car takes 15 minutes to travel along a road that is 20 km long.What is the average speed of the car?

2014 Summer

3

MCQ

CH2 - FORCES AND MOTION

A customer goes to a market and buys some rice. The stallholder pours rice into a dish that hangs from a spring balance. He records the reading on the...

2014 Summer

2

MCQ

CH1 - MEASUREMENTS AND UNITS

The table gives the volumes and masses of four objects. Which object has the greatest density?[Table_1]

2014 Summer

2

MCQ

CH3 - FORCES AND PRESSURE

A wooden bar is pivoted at its centre so that it can rotate freely. Two equal forces $F$ are applied to the bar. In which diagram is the turning effec...

2014 Summer

2

MCQ

CH3 - FORCES AND PRESSURE

A student adds weights to an elastic cord. He measures the length of the cord for each weight. He then plots a graph from the results, as shown. What ...

2014 Summer

2

MCQ

CH4 - FORCES AND ENERGY

In a hydroelectric power station, one form of energy is stored in a lake or reservoir. This energy is then transferred in stages to another useful for...

2014 Summer

2

MCQ

CH4 - FORCES AND ENERGY

A certain machine is very efficient. What does this mean?

2014 Summer

2

MCQ

CH3 - FORCES AND PRESSURE

The diagram shows a simple mercury barometer.Atmospheric pressure decreases. What happens to the level of the mercury at P and what happens to the lev...

2014 Summer

3