General Knowledge - General Science

Exercise : General Science - Nuclear Science
6.
The wavelength of X-rays is of the order of
10 micron
1 angstrom
1 cm
1 m
Answer: Option
Explanation:
1 angstrom = 1.0 x 10-10 meters

7.
Mesons are found in
Laser beam
X-rays
Gamma rays
Cosmic rays
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
Which radioactive pollutant has recently drawn to public, due to its occurrence in the building material?
Thorium
Radium
Plutonium
Radan
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
Which of the following shows the masses of the three elementary particles in decreasing order?
Leptons, Baryons, Mesons
Mesons, Baryons, Leptons
Baryons, Mesons, Leptons
Leptons, Mesons Baryons
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
What is the wavelength of visible spectrum?
8500 - 9800 angstrom
7800 - 8000 angstrom
3900 - 7600 angstrom
1300 - 3000 angstrom
Answer: Option
Explanation:
No answer description is available. Let's discuss.