The range of coulomb’s force is:
A. Zero B. r2 C. Infinite D. 10(power is -15 )m
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
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
Which one of the following is more coherent?
A. Laser B. X ray C. Normal light D. Gamma rays
The principle of transformers is :
A. Ampere’s law B. Mutual induction C. Motional emf D. None of these
A rheostat can be used as:
A. Variable resistor B. Potential divider C. Both A& B D. None of these
The full form of STM is:
A. Scanning tunneling microscope B. Scientific technical microscope C. Systematic technical microscope D. Super tensile microscope
Which of the following does not apply on nano technology?
A. It is a general purpose technology B. It can be called green technology C. Newtonian can describe it D. It involves rearrangement of atoms
- 1
- 2
- 3
- 4
- 5
- Go to the next page