Multiple Choice

Question 1

A man freewheels his bike down a hill. He brakes to stop at the bottom. What is the energy change?

Answer 1

Gravitational ➡️ Kinetic ➡️ Thermal

Question 2

What is measured to determine atmospheric pressure in the experiment with a Petri dish of water with test tube coming out of it?

Answer 2

Distance between the 2 water levels

Question 3

Where is the greatest temperature change when light is refracted through a prism?

Answer 3

Above red because it is infra-red. This is because it has the longest wavelength.

Question 4

When does total internal reflection happen?

Answer 4

When angle of incidence is greater than the critical angle

Question 5

What is heated to produce cathode rays?

Answer 5

The cathode

Question 6

Geothermal energy from hot rocks and sunlight on solar panels are…

Answer 6

Renewable sources of energy

Question 7

Nuclear fission is…

Answer 7

A non-renewable source of energy

Question 8

If one liquid takes less time to heat than another liquid it has…

Answer 8

A lower thermal capacity

Question 9

What remains constant when light is refracted?

Answer 9

Frequency

Question 10

What changes when light is refracted?

Answer 10

Wavelength, speed and direction

Question 11

Where do you measure from on the meniscus (water level)?

Answer 11

Bottom of the meniscus

Question 12

Conduction only happens in…

Answer 12

Solids

Question 13

In longitudinal waves the particles oscillate…

Answer 13

parallel to the wave direction

Question 14

In transverse wave the particles oscillate…

Answer 14

Perpendicularly to the wave direction

Question 15

What sort of wires have the most resistance?

Answer 15

Long and thin wires have the most resistance

Question 16

What happens to LDR’s when brightness increases?

Answer 16

When brighter, resistance is less

Question 17

What does the magnetic field in a solenoid look like?

Answer 17

Straight lines through solenoid. These lines curl round and attach to make oval shapes above and below solenoid.

Question 18

Frequency equation

Answer 18

F=1/T

Question 19

What wave type are radio waves?

Answer 19

Transverse

Question 20

These 2 energy sources are always available

Answer 20

Geothermal, nuclear fission

Question 21

Where does a fuse have to be to cut the whole circuit?

Answer 21

In series, on the live side of the circuit and after the switch

Question 22

What sort of waves are emitted by satellite television?

Answer 22

Microwaves

Question 23

What sort of waves are emitted by terrestrial TV?

Answer 23

Radio waves

Question 24

What sort of waves are emitted by a remote control?

Answer 24

Infra-red waves

Question 25

Radiation ordered by most ionising/least penetrative

Answer 25

Most : Alpha Beta Least: Gamma

Question 26

What sort of circuit is a capacitor used in?

Answer 26

Time-delay circuit

Question 27

What sort of circuit is a relay used in?

Answer 27

Switching circuit

Question 28

Nuclear energy (from nuclear fission) is first converted into...

Answer 28

Thermal energy

Question 29

What happens to the proton number when a beta particle (1 electron) is emitted?

Answer 29

The proton number increases by 1

Question 30

What wave type are radio waves?

Answer 30

Transverse

Question 31

How can diffraction be stopped?

Answer 31

Make the gap larger

Question 32

Why do smoke particles move in the brownian experiment?

Answer 32

Collide with air particles

Question 33

How is a manometer used?

Answer 33

Measure gap between the 2 liquid levels

Question 34

What effect does changing the temperature of a y-ray source have?

Answer 34

No effect

Question 35

What material should the core of a transformer be?

Answer 35

Iron

Question 36

How to work out the magnetic field on a wire?

Answer 36

Right hand grip rule

Question 37

What is the pressure of a gas supply in a manometer?

Answer 37

Distance between water +/- atmospheric pressure

Question 38

What's a suitable voltage and current for a cathode ray?

Answer 38

600v dc

Question 39

Formula for a transformer?

Answer 39

Vp/Cp = Vs/Cs

Question 40

Can you hear noise in space?

Answer 40

No

Question 41

What effect does gravity have on a ball being thrown upwards?

Answer 41

Constant acceleration downwards

Question 42

What effect does changing the temperature of a y-ray source have?

Answer 42

Temperature has no effect

Question 43

What material should the core of a transformer be?

Answer 43

Iron

Question 44

How do you work out the magnetic field of a wire?

Answer 44

Right hand grip rule

Question 45

What is the pressure of a gas supply in a manometer?

Answer 45

Distance between water levels +/- atmospheric pressure

Question 46

Alpha has a ..... ionising effect than beta. | Alpha has a ..... penetrating effect than beta.

Answer 46

Alpha is more ionising than beta | Alpha is less penetrating than beta

Question 47

In a step-down transformer the biggest coil is the .....

Answer 47

Primary coil

Question 48

In a step-up transformer the bigger coil is the....

Answer 48

Secondary

Question 49

What can stop a circuit overheating?

Answer 49

Circuit-breaker or fuse

Question 50

What does a capacitor do?

Answer 50

Stores charge

Question 51

Image through a lens is always....

Answer 51

Inverted

Question 52

Where is the best place to put ice packs?

Answer 52

At the top of bag of food

Question 53

What is the energy of compressing springs called?

Answer 53

Strain

Question 54

How should electricity be transmitted?

Answer 54

High voltage, ac current

Question 55

Name 3 transverse waves?

Answer 55

Light waves, infra-red waves and ultraviolet waves

Question 56

What type of energy is stored in both matches and batteries?

Answer 56

Chemical

Question 57

Increasing deflection of radiation

Answer 57

Increase potential difference across plates

Question 58

When does a capacitor charge?

Answer 58

When connected to a battery. The capacitor discharges when connected to the circuit with no battery supply

Question 59

Electromagnetic spectrum in order of increasing wavelength

Answer 59

Gamma, X-Rays, UV, Visible, Infra-red, microwaves, radiowaves

Question 60

Electromagnetic waves in order of increasing frequency

Answer 60

Visible, X-rays, y-rays

Question 61

What happens when a magnet moves through an ac solenoid?

Answer 61

Demagnetises