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- @Which form of radiation also has a positive charge?
- Alpha
- Beta
- Gamma
-
- @Which unit is used to measure current?
- Ampere
- Volt
- Joule
-
- @Green and Blue light when mixed together produce:
- Cyan
- Indigo
- Magenta
-
- @When waves pass through gaps they:
- Diffract
- Deflect
- Disturb
-
- @An eclipse of the sun is caused when:
- The moon is between the Sun and the Earth
- The Earth is between the Sun and the Moon
- The Sun is between the Moon and the Earth
-
- @Which lens is a diverging lens?
- #lens2
- Lens z
- Lens x
- Lens y
-
- @What device do you use to measure the current in a circuit?
- Ammeter
- Voltmeter
- Ohm meter
-
- @Transformers use a.c supplies to make them work. What does the 'a' of a.c stand for?
- Alternating
- Altered
- Amplitude
-
- @Some substances are insulators because:
- they do not have any free moving electrons
- they don't have any electrons
- electrons are easily lost by the substances
-
- @The part of the atom that is responsible for the flow of charge in a wire is the:
- Electron
- Proton
- Neutron
-
- @Another name for beams of electrons is:
- Cathode rays
- Microwaves
- X-rays
-
- @Where does nearly all the energy used on the planet originate?
- The sun
- From oil and coal
- From chemical reactions
-
- @If the force acting on a mass is doubled then the resulting acceleration is:
- Doubled
- Halved
- Four times as big
-
- @Up to the elastic limit, putting extra masses on a spring in equal steps causes the spring to stretch by:
- equal amounts
- amounts that get larger as you approach the limit
- gradually decreasing amounts
-
- @A person walks 50m in 30 seconds and then rests for 30s. They walk back, this time taking 40s. What is the average speed?
- 1.0 m/s
- 0.71 m/s
- 1.67 m/s
-
- @If the centre of gravity of an object is raised, then the object will:
- tend to topple over
- become more stable
- remain exactly as it was before
-
- @On a very cold day the metal parts of bicycles feel cold because of:
- Conduction
- Convection
- Evaporation
-
- @Which one of the following (if they are all exactly the same size) expands the most when heated?
- Copper
- Brass
- Invar
-
- @Lead has a density of 11.4 g/cm³. What would be the mass of 5 cm³ of lead
- 57g
- 11.4g
- 2.28g
-
- @A test tube contains 15cm³ of ice. When it has completely melted, what will be the volume of water?
- Less than 15cm³
- Still 15cm³
- More than 15cm³
-
- @The following radiations were put through a magnetic field. Which is in the correct order of increasing deflection?
- Gamma, alpha and beta
- Alpha, beta and gamma
- Beta, gamma and alpha
-
- @What is the unit used to measure mass?
- Kilogram
- Newton
- Weight
-
- @Which one of the following colours has the longest wavelength?
- Red
- Blue
- Green
-
- @Light:
- Is a form of energy
- Cannot do work
- Is a form of heat
-
- @In a liquid, pressure:
- Increases with depth
- Decreases with depth
- Increases up to a point and then decreases