Question 6 :
The wavelength of X-rays is of the order of
1 angstrom = 1.0 x 10-10 meters
Question 7 :
Mesons are found in
Question 8 :
Which radioactive pollutant has recently drawn to public, due to its occurrence in the building material?
Question 9 :
Which of the following shows the masses of the three elementary particles in decreasing order?
Question 10 :
What is the wavelength of visible spectrum?