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

A geologist compares the volumes of three rocks, X, Y and Z. Three measuring cylinders contain different volumes of water. He places each rock into on...

2015 Summer

2

MCQ

CH2 - FORCES AND MOTION

A car moves with constant speed and then constant acceleration.Which graph is the speed-time graph for the car?

2015 Summer

1

MCQ

CH2 - FORCES AND MOTION

A car travels 100 km. The journey takes two hours. The highest speed of the car is 80 km/h, and the lowest speed is 40 km/h. What is the average speed...

2015 Summer

1

MCQ

CH2 - FORCES AND MOTION

Diagram 1 shows a piece of foam rubber that contains many pockets of air. Diagram 2 shows the same piece of foam rubber after it has been compressed s...

2015 Summer

1

MCQ

CH1 - MEASUREMENTS AND UNITS

A metal block has the dimensions shown. Its mass is 1000 g.What is the density of the metal?

2015 Summer

2

MCQ

CH3 - FORCES AND PRESSURE

Four objects are each acted on by only two forces, as shown.Which object is in equilibrium?

2015 Summer

1

MCQ

CH3 - FORCES AND PRESSURE

A student measures the length of a spring. She then hangs different weights from the spring. She measures the length of the spring for each different ...

2015 Summer

1

MCQ

CH4 - FORCES AND ENERGY

Which energy resource is used to generate electricity without using any moving parts?

2015 Summer

1

MCQ

CH4 - FORCES AND ENERGY

A cyclist travels down a hill from rest at point X, without pedalling. The cyclist applies his brakes and the cycle stops at point Y. Which energy c...

2015 Summer

1

MCQ

CH3 - FORCES AND PRESSURE

"The diagram shows a simple mercury barometer.Which height is used as a measurement of atmospheric pressure?"

2015 Summer

3