MCQ

CH10 - ELECTRON AND ELECTRONICS

In a cathode-ray tube, a hot tungsten cathode releases particles by thermionic emission. What are these particles?

2009 Summer

MCQ

CH10 - ELECTRON AND ELECTRONICS

The diagram shows a cathode-ray tube. A student wants the cathode rays to make a spot at P on the screen.Which parts of the cathode-ray tube should be...

2009 Summer

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

MCQ

CH10 - ELECTRON AND ELECTRONICS

The diagram shows a beam of cathode rays entering an electric field.In which direction is the beam deflected by the field?

2009 Winter

MCQ

CH10 - ELECTRON AND ELECTRONICS

To create cathode rays in a vacuum, what might be a suitable potential difference to connect between the cathode and anode?

2009 Winter

MCQ

CH10 - ELECTRON AND ELECTRONICS

The diagram shows a beam of cathode rays entering an electric field. In which direction is the beam deflected by the field?

2009 Winter

MCQ

CH10 - ELECTRON AND ELECTRONICS

To create cathode rays in a vacuum, what might be a suitable potential difference to connect between the cathode and anode?

2009 Winter

MCQ

CH10 - ELECTRON AND ELECTRONICS

A cathode-ray tube has an anode and an earthed cathode. Which row shows the charge on the anode and the temperature of the cathode? [Table_1]

2010 Summer

MCQ

CH10 - ELECTRON AND ELECTRONICS

A cathode-ray tube has an anode and an earthed cathode. Which row shows the charge on the anode and the temperature of the cathode? [Table_1]

2010 Summer

Theory

CH10 - ELECTRON AND ELECTRONICS

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

2010 Summer

MCQ

CH1 - MEASUREMENTS AND UNITS

A stopwatch is used to time a runner in a race. The diagrams show the stopwatch at the start and at the end of the race. How long did the runner take...

2017 Summer

MCQ

CH2 - FORCES AND MOTION

On Earth, a ball is dropped and falls 2.0 m in a vacuum. The acceleration of the ball at 1.0 m is $10 \text{ m/s}^2$. What is the acceleration of the...

2017 Summer

MCQ

CH2 - FORCES AND MOTION

The speed-time graph represents a motorcycle journey. In which part of the graph is the acceleration equal to zero? [Image_1: Speed-time graph with ...

2017 Summer

MCQ

CH3 - FORCES AND PRESSURE

Diagram 1 shows a sealed plastic bottle containing a hollow glass sphere and a steel ball.Diagram 2 shows the same bottle after it has been shaken.Dia...

2017 Summer

MCQ

CH2 - FORCES AND MOTION

A student is weighed on laboratory scales.Which row about weight and mass is correct?[Table_1]

2017 Summer

MCQ

CH1 - MEASUREMENTS AND UNITS

A measuring cylinder containing only water is placed on an electronic balance. A small, irregularly shaped stone is now completely immersed in the wat...

2017 Summer

MCQ

CH2 - FORCES AND MOTION

A boat is travelling at a steady speed in a straight line across the surface of a lake.Which statement about the boat is correct?

2017 Summer

MCQ

CH3 - FORCES AND PRESSURE

The diagram shows three uniform, solid wooden blocks with a square cross-sectional area resting on a horizontal table.Which list puts the blocks in or...

2017 Summer

MCQ

CH4 - FORCES AND ENERGY

Energy resources are used to generate electricity.Which resource is renewable and does not release carbon dioxide when being used to produce electrici...

2017 Summer

MCQ

CH2 - FORCES AND MOTION

A student does some simple exercises. In which exercise is the most work done?

2017 Summer