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The alpha particles are compact clusters of______________?
A. Electron and Proton
B. Two Protons and two Neutrons
C. Three protons and three Neutrons
D. None
The Beta particles are fast moving___________?
A. Protons
B. Electrons
C. Neutrons
D. None
One of the following countries produces maximum energy from atomic reactors?
A. France
B. USA
C. UK
D. none
The unit to measure the quantity of Ozone in the atmosphere is?
A. Dobson
B. Dalton
C. Coulomb
D. none
The severity of the 2005 earthquake in Pakistan on the Richter scale was ?
A. 6.9
B. 7.6
C. 7.1
D. none
Geiger-Muller counter is used to detect__________?
A. Protons
B. Neutrons
C. Photons
D. none
Vacuum tubes have been replaced by__________?
A. Conductors
B. Diodes
C. Transistors
D. None of these
It is a secondary plant nutrient?
A. Nitrogen
B. Phosphorus
C. Sulphur
D. none
An area of microbiology that is concerned with the occurrence of disease in the human population is?
A. Immunology
B. Parasitology
C. Epidemiology
D. none
The number of electrons of a neutral atom is automatically known if one knows the?
A. Atomic number
B. Atomic weight
C. Number of orbitals
D. none
The unit to measure the quantity of Ozone in the atmosphere is?, It is a secondary plant nutrient?, Vacuum tubes have been replaced by, Geiger-Muller counter is used to detect, The Beta particles are fast moving,An area of microbiology that is concerned with the occurrence of disease in the human population is?
