Numeric Questions
A wave traveling at 10 m/s has a frequency of 0.5Hz. What is it´s wavelength?
20m
The rate at which a waves covers a distance
Wave speed
Name all 7 waves of the EMS in order starting with the most energetic.
Gamma - X rays - UV - Visible Light - Infrared - Microwave - Radio
A type of wave that can travel through empty space
What are light waves?
How many events are there in the heptathlon?
7
Waves are produced with a frequency of 10Hz. What is the period of a single wave?
0.1s
The maximum displacment of a wave
Amplitude
Electromagnetic wave used in TV remote controls.
Infrared
This occurs when a wave changes speed when passing through a different medium
What is refraction?
Which film won the ´Best Film´award at the 2020 Oscars?
Parasite
A series of waves are produced with a frequency of 10Hz. How many waves will have been produced after 1 minute?
600
An arrow showing the direction of energy travel for a wave
Ray
The 3 EM waves which carry enough enegy to damage living cells are said to be forms of ............ radiation.
Ionising
Occurs when a wave bounces off of an object
What is a reflection?
In what year did the Tintantic sink?
1912
A wave with an amplitude of 2cm interferes with a wave of amplitude -2cm traveling in the oppsite direction. What is the amplitude of the resultant wave?
0 cm (complete destructive interference will occur)
The change in direction and speed of a wave as it passes into a medium of a different density
Refraction
By accelerating charged particles
This is congruent to the angle of reflection of a wave
What is the angle of incidence?
What colours are the five rings of the Olympics symbol?
Red, blue, yellow, green and black.
Light travels at a speed of 3 x 108 m/s through a vacuum before entering a medium with a refractive index of 2. What is the speed of light in the medium?
1.5 x 108 m/s
The area of a longitudinal wave where particles are furthers apart and density is at its lowest.
Rarefaction
What is the approximate wavelength of red light?
700nm
This lens would be needed in order to correct near-sightedness
What is a concave lens?
Mogadishu is the capital city of which Africn nation?
Somalia