General Physics
What are Vernier calipers and a micrometer screw gauge?
The value in degrees Celsius where water turns from a solid to a liquid, and turns from liquid to solid?
What is 0 degrees Celsius?
The value between two corresponding points on a wave is called this
What is wavelength?
The type of magnetism that iron nails get when they are magnetised by a permanent magnet
What is induced magnetism?
When we subtract the proton number from the nucleon number we get the number of these
What are neutrons?
These are the two conditions for an object to be in equilibrium
What is the total clockwise moment is equal to the anti-clockwise moment and there is no resultant force on the object?
The equation to calculate specific heat capacity
E = mcΔT
The type of lenses that magnifying glasses use
What are converging lenses?
The direction of conventional current and electron flow
What is positive to negative and negative to positive
Rutherford was trying to prove this when he fired a beam of alpha particles through a gold sheet
What is the atom is mostly empty space with a tiny positively charged nucleus in the middle?
This is the difference between work and moments in terms of direction
What is in work, the distance is in the direction of the force, while in moments, it is perpendicular to the force?
This type of heat transfer requires a fluid to transfer through
What is convection?
As the frequency increases of a wave, the _____ increases
What is pitch?
The rule used to predict the direction of a forceon a current-carrying conductor
What is Fleming's left hand rule?
This is one use for the radioisotope of carbon: carbon-14
What is radiocarbon dating?
The formula to calculate the spring constant
What is N/m ?
Liquid-in-glass thermometers can use this substance - other than mercury - in order to function
What is alcohol?
This is the phenomenon that explains why we see a halo of light around a lighthouse on a foggy day
What is diffraction?
The three ways available to demagnetise a permanent magnet
What is hammering the magnet, placing the magnet in a coil with an alternating current and taking it out slowly and heating the magnet?
This type of radiation disguises itself as an electron, it also can't go through aluminum or lead!
What is beta radiation?
The formula Ft = mv - mu is derived from this formula
What is F = ma?
The L in the equation E = mL stands for ths
What is specific latent heat?
Snell's law
What is n = sini/sinr?
These devices are used to allow current to flow to and from the coil of an a.c motor or generator
What are slip rings?
The half-life of a substance is 7 years, it's initial count rate (per minute) is 1400 counts. After 21 years, this is its count rate
What is 175 counts per minute?