EASY
MYP:4-5
IMPORTANT
Earn 100

Dangerous radiation is often called ionizing radiation.

d) How far through the air would you expect nuclear radiation to travel.

Important Questions on Patterns

EASY
MYP:4-5
IMPORTANT
Explain the situations where light is split into spectrum other than someone watering the garden.
EASY
MYP:4-5
IMPORTANT
What shape is the rainbow?
EASY
MYP:4-5
IMPORTANT
Red light has a wavelength around 650 nm, the wavelength of yellow is about 570 nm and blue is about 475 nm. A certain colour has frequency of 5.66×1014 Hz. What colour is the light?
EASY
MYP:4-5
IMPORTANT
A radio signal is broadcast at 200 kHz. Calculate the wavelength of this broadcast. 
EASY
MYP:4-5
IMPORTANT
If soft X-rays have wavelengths of 10-0.1 nm and hard X-rays have wavelengths less than 0.1 nm. What type of X-ray has a frequency of 3×1017 Hz?
EASY
MYP:4-5
IMPORTANT
Astatine is the rarest naturally occurring element on the Earth. Nuclei of its most stable isotope At85210 only last an average of 12 hours before they decay by alpha decay. What does At85210 decay into?
EASY
MYP:4-5
IMPORTANT
Radon gas Rn86222 is formed when Uranium-234Ur92234 decays by a series of alpha decays. How many alpha decays are required for this to happen?
EASY
MYP:4-5
IMPORTANT
Nitrogen-16N716 is an isotope of nitrogen with two more neutrons than the more common Nitrogen-14. It decays through beta decay. What will it decay into?