The full form of STM is:
A. Scanning tunneling microscope
B. Scientific technical microscope
C. Systematic technical microscope
D. Super tensile microscope
The principle of transformers is :
A. Ampere’s law
B. Mutual induction
C. Motional emf
D. None of these
An isotope is:
A. The nucleus of atom
B. A subatomic particle
C. An atom with specific no of protons and neutrons
D. None of these
An average distance covered by alpha particles in air before it’s ionizing power ceases is called its________
A. Trajectory
B. Range
C. Firing level
D. Limit
If the distance between the charges is double, then the coulomb’s force between the charges is:
A. Quarters
B. Doubles
C. Remains same
D. Distance between charges