Theory

CH6 - WAVES AND SOUNDS

Some plane waves travel on the surface of water in a tank. They pass from a region of deep water into a region of shallow water. Fig. 6.1 shows what t...

2010 Summer

1

Theory

CH6 - WAVES AND SOUNDS

During a thunderstorm, thunder and lightning are produced at the same time.(a) A person is some distance away from the storm.Explain why the person se...

2010 Summer

1

Theory

CH6 - WAVES AND SOUNDS

(a) Fig. 6.1 shows the position of layers of air, at one moment, as a sound wave of constant frequency passes through the air. Compressions are labell...

2011 Winter

2

Theory

CH6 - WAVES AND SOUNDS

The diagrams show water waves that move more slowly after passing into shallow water at the broken line.Which diagram shows what happens to the waves?...

2009 Summer

2

Theory

CH6 - WAVES AND SOUNDS

The diagrams show examples of wave motion.[Image_1: ripple tank - waves on water][Image_2: drum - waves in air][Image_3: waves on a rope][Image_4: wav...

2009 Summer

2

Theory

CH6 - WAVES AND SOUNDS

Which group contains only transverse waves?A infra-red waves, light waves, sound wavesB infra-red waves, light waves, ultra-violet wavesC infra-red wa...

2010 Winter

3

Theory

CH6 - WAVES AND SOUNDS

Water waves in a tank pass over a thin plastic block as shown. What happens to the waves as they reach the plastic block?A They are diffracted because...

2010 Winter

3

Theory

CH6 - WAVES AND SOUNDS

Radio waves are received at a house at the bottom of a hill.The waves reach the house because the hill has caused them to beA) diffracted.B) radiated....

2011 Winter

2

Theory

CH6 - WAVES AND SOUNDS

The diagrams represent the waves produced by four sources of sound. The scales are the same for all the diagrams.Which sound has the highest frequency...

2012 Summer

2

Theory

CH6 - WAVES AND SOUNDS

Which of these waves is longitudinal? A. infra-red B. radio C. sound D. water

2011 Winter

3

Theory

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

Theory

CH2 - FORCES AND MOTION

A car moves with constant speed and then constant acceleration.Which graph is the speed-time graph for the car?[Image_1: Graphs A, B, C, D]

2015 Summer

Theory

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 spee...

2015 Summer

Theory

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

Theory

CH1 - MEASUREMENTS AND UNITS

A metal block has the dimensions shown. Its mass is 1000 g.What is the density of the metal?A $\left(\frac{5 \times 10}{1000 \times 2}\right)$ g/cm$^3...

2015 Summer

Theory

CH3 - FORCES AND PRESSURE

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

2015 Summer

Theory

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

Theory

CH4 - FORCES AND ENERGY

Which energy resource is used to generate electricity without using any moving parts?A. geothermalB. hydroelectricC. nuclearD. solar

2015 Summer

Theory

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 chang...

2015 Summer

1

Theory

CH3 - FORCES AND PRESSURE

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

2015 Summer