Numeric Questions
A wave traveling at 10 m/s has a frequency of 0.5Hz. What is it´s wavelength?
20m
How many events are there in the heptathlon?
7
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
How many centimetres cubed are there in 1 metre cubed?
1 million / 1 x 106
Waves are produced with a frequency of 10Hz. What is the period of a single wave?
0.1s
Which film won the ´Best Film´award at the 2020 Oscars?
Parasite
The maximum displacment of a wave
Amplitude
Electromagnetic wave used in TV remote controls.
Infrared
Which is the only fundamental unit to be made up of 2 other units?
The Ampere
A series of waves are produced with a frequency of 10Hz. How many waves will have been produced after 1 minute?
600
In what year did the Tintantic sink?
1912
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
The speed of sound in air is 330m/s. You stand in front of a cliff and clap your hands. You hear the echo 1 second later. How far are you from the cliff?
165m
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)
What colours are the five rings of the Olympics symbol?
Red, blue, yellow, green and black.
The change in direction and speed of a wave as it passes into a medium of a different density
Refraction
By accelerating charged particles
What is the unit for magnetic field strength?
Tesla
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
Mogadishu is the capital city of which Africn nation?
Somalia
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
Name the Scottish scientist who formulated the theory of electromagnetic radiation.
James Clerk Maxwell