science revision questions
Which part of the electromagnetic spectrum has a part of the cosmic background radiation
microwave
List 3 pieces of evidence for the Big Bang.
1.Redshift of Galaxies 2.Microwave Background 3.Mixture of Elements
if the speed of light is 3 x 10 power of 8 m/s. How far can light travel in 1 minute?
18,000,000 km per min
Why are there only radio and optical telescopes on Earth?
Radio telescopes have to be much larger than optical telescopes because the wavelengths of radio waves are so much larger than the wavelengths of visible light.
Which part of the electromagnetic spectrum has the highest energy
gamma rays
Which part of the electromagnetic spectrum has the highest frequency
gamma rays
Which part of the electromagnetic spectrum has the shortest wavelength
gamma rays
Which part of the electromagnetic spectrum can cause damage to human tissue
infrared radiation
Which part of the electromagnetic spectrum has the highest wavelength
radio waves
Which part of the electromagnetic spectrum has the lowest frequency
radio waves
Which part of the electromagnetic spectrum can be seen through the Earth's atmosphere
visible light