1. Motion, forces and energy

1.1 Physical quantities and measurement techniques

1.2 Motion

1.3 Mass and weight

1.4 Density

1.5.1 Effects of forces

1.5.2 Turning effect of forces

1.5.3 Centre of gravity

1.6 Momentum

1.7.1 Energy

1.7.2 Work

1.7.3 Energy resources

1.7.4 Power

1.8 Pressure

2. Thermal physics

2.1.1 States of matter

2.1.2 Particle model

2.1.3 Gases and the absolute scale of temperature

2.2.1 Thermal expansion of solids, liquids and gases

2.2.2 Specific heat capacity

2.2.3 Melting, boiling and evaporation

2.3.1 Conduction

2.3.2 Convection

2.3.3 Radiation

2.3.4 Consequences of thermal energy transfer

3. Waves

3.1 General properties of waves

3.2.1 Reflection of light

3.2.2 Refraction of light

3.2.3 Thin lenses

3.2.4 Dispersion of light

3.3 Electromagnetic spectrum

3.4 Sound

4. Electricity and magnetism

4.1 Simple phenomena of magnetism

4.2.1 Electric charge

4.2.2 Electric current

4.2.3 Electromotive force and potential difference

4.2.4 Resistance

4.2.5 Electrical energy and electrical power

4.3.1 Circuit diagrams and circuit components

4.3.2 Series and parallel circuits

4.3.3 Action and use of circuit components

4.4 Electrical safety

4.5.1 Electromagnetic induction

4.5.2 The a.c. generator

4.5.3 Magnetic effect of a current

4.5.4 Force on a current-carrying conductor

4.5.5 The d.c. motor

4.5.6 The transformer

5. Nuclear physics

5.1.1 The atom

5.1.2 The nucleus

5.2.1 Detection of radioactivity

5.2.2 The three types of nuclear emission

5.2.3 Radioactive decay

5.2.4 Half-life

5.2.5 Safety precautions

6. Space physics

6.1.1 The Earth

6.1.2 The Solar System

6.2.1 The Sun as a star

6.2.2 Stars

6.2.3 The Universe

IGCSE Physics 6.1.2 The Solar System Question Bank

[Maximum number: 1]

The Moon is 380000 km from the Earth. A laser light beam is directed from the Earth to the Moon. The beam is reflected back to the Earth.

How long does it take for the light to travel to the Moon and back to the Earth?

1.27 ms

2.53 ms

$1.27 \mathrm{~s}$

$2.53 \mathrm{~s}$

[Maximum number: 1]

1.27 ms

2.53 ms

1.27 s

$2.53 \mathrm{~s}$

[Maximum number: 1]

$1.27 \mathrm{~ms}$

2.53 ms

$1.27 \mathrm{~s}$

$2.53 \mathrm{~s}$

[Maximum number: 1]

Which list correctly shows the planets in decreasing order of distance from the Sun?

Jupiter → Saturn → Neptune → Uranus

Jupiter → Saturn → Uranus → Neptune

Neptune → Uranus → Saturn → Jupiter

Uranus → Neptune → Saturn → Jupiter

[Maximum number: 1]

Which planet in our Solar System is nearest to the Sun and what is the nature of the planet?

planet

nature

Mercury

rocky

Mercury

gaseous

Venus

rocky

Venus

gaseous

[Maximum number: 1]

Which statement about the Solar System is correct?

All the planets are rocky.

Only the Earth has a moon.

Pluto is a dwarf planet.

There are many stars in the Solar System.

[Maximum number: 1]

A planet in the Solar System is at the point in its orbit where it is closest to the Sun.
Which row is correct?

orbital speed

energy in gravitational
potential store

at its maximum

at its minimum

at its maximum

at its minimum

[Maximum number: 1]

The diagram shows a comet moving in an elliptical orbit around the Sun.
At which position is the comet moving with the greatest speed?

[Maximum number: 1]

Comets are bodies which orbit the Sun in the Solar System.
What is the shape of the orbit and how is the Sun positioned within the orbit?

shape of orbit

position of the Sun

circular

centre of orbit

circular

not at centre of orbit

elliptical

centre of orbit

elliptical

not at centre of orbit

[Maximum number: 1]

Which statement about the orbits of comets is correct?

Comets have elliptical orbits and the Sun is at the centre of the orbit.

Comets have elliptical orbits and the Sun is not at the centre of the orbit.

Comets have circular orbits and the Sun is at the centre of the orbit.

Comets have circular orbits and the Sun is not at the centre of the orbit.

0 selected

Question 24

Question 24

Question 24

Question 36

Question 37

Question 37

Question 37

Question 38

Question 38

Question 38