Related Questions

The phenomenon of radioactivity was discovered by
A Madam Curie
B Bacquerrel
C Roentgen
D J.J. Thomson
Spontaneous combustion is a phenomenon in which
A All the fuel burns instantaneously producing high energy release
B Fuel burns with less air
C Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal
D Explosion in furnace
β-rays emission in radioactive disintegration is always accompanied by the emission of
A γ-rays
B α-rays
C Neutrons
D None of these
240 radioactive grams of goo loses half its radioactivity every 10 days. How many grams of radioactive goo is left in 40 days?
A 120
B 60
C 15
D none
Who discovered radioactivity?
A Max Planck
B James Clerk Maxwell
C Henri Becquerel
D Heinrich Hertz
Radioactivity of an isotope is expressed in
A Barns
B MeV
C Curie
D Ergs
The unit of radioactivity is
A Electron volt
B Electron ampere
C Curie
D MV
Unit of radioactivity is
A barn
B fermi
C angstrom
D Curie
Radioactivity is measured by
A GM counter
B Polarimeter
C Calorimeter
D Colorimeter
The noun form of the word ' spontaneous' is -
A spantaneously
B spontaneity
C Spontaneousity
D spontaneausible

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