Waves and Sound
A vibration that carries energy.
What is a wave?
The electromagnetic wave that transfers the least amount of energy
What is a microwave/radio
Electric field lines around a positive charge will point
What is away from the charge?
who won the 2018 grand final in the australian football league
west coast eagles
the massive thing in the middle of an atom
nucleus
Two identical waves are traveling toward each other in the same medium. This occurs when the waves peak at the same place at the same time...
What is destructive interference?
rainbows are caused by what 2 phenonmena
magic and fairies, no dispersion and total internal reflection
ohms law is
v = ir
not all who wonder are lost is a line in a poem from lord of the rings, who does it refer to?
Aragorn, or strider.
After being started, nuclear fission continues on its own because of
What is more neutrons are produced with each reaction - chain reaction.
When light travels from air into water what happens to wavelength and speed
speed decreases, wavelength decreases
What is the name of the phenomenon when white light travels through a prism and splits into individual colours
dispersion
power is watts, but what are the units is also a unit for power.
joules per second
who is Din Djarin
the mandorlorian
Nuclear Fission reactors control overproduction by
What is increasing neutron-absorbing material
An opera singer breaks a crystal glass with her voice. This occurs because
What is the frequency of her voice matches the natural frequency of the glass
what causes a sunset to be red
the gods eyes are tired from looking at the world a
if I divide power by i squared what have I found.
resistance
in the 1624 book puss in boots, what does puss in boots defeat to win a castle for his master
an ogre
what 3 elements can be used to make a nuclear bomb
uranium 235, plutonium , deuterium
What is one of the conditions required for light to reflect through optical fibres?
cladding has a lower n than the core
what is the name for a mirage that is caused by cold air close to the land
Fata morgana
A circuit that allows current to bypass its proper path (through a light bulb or resistor) to take a path of less resistance is
What is a short circuit
in the 1624 book puss in boots, Puss in boots is the gift to the third son after the passing of the father, what was the gift to the second brother
a talking donkey
uranium decays into
thorium