England
Ireland
Scotland
Wales
France
100
What is the resistance like in the reverse direction in this diode?
Very high
100
What is the zero error on this ammeter? Top reading
0.25A
100
If you measured the mass of something with is top pan balance and it said 100.00g what would its actual mass be?
25.31g
100
Why are some alpha particle reflected more strongly than others?
They went closer to the nucleus and were repelled with a greater repulsive force
100
Which of these is the least stable isotope?
Carbon 14
200
Is this person being irradiated or contaminated?
Irradiated
200
Are these suits preventing irradiation or contamination?
Contanimation
200
Whatat
What fuel
What fuel is used in this nuclear power station?
Uranium
Plutonium
200
What fuel is used in nuclear fusion in the sun? Triple
Hydrogen
200
What would be your ontrol variables? TRIPLE
Volume of water
Thickness of material
Length of time
Starting temperature
300
Categorical or numerical data
Categorical
300
What word describes the speed and direction of these gas particles?
Random
300
Which transformer reduces the voltage to a safer level?
Step down
300
What type of energy (kinetic / potential) is increasing when a substance is melting?
Potential
300
In which state of matter are the particles moving freely?
Liquid
400
Ep =?
mgh
400
I2R =
P
400
QV = ?
E
400
IR =
V
400
It = ?
Q
500
Density =
Mass / Volume
500
E = m ?
L (latent heat)
500
E = mass x specific heat capacity x ?
Temperature change
500
Pt = ?
E
500
Efficiency is always less than ...
1
100%