11. Length of Galaxies is in order of _______
12. The approximate value of charge of an electron is __________
13. The universe is made up of __________
14. Nucleus of molecule is made up of which fundamental constituents ?
A. Only Electron
B. Proton and neutron
C. Electron and Proton
D. Electron and neutron
Answer : Option B
15. In the development of nanotechnology and biotechnology _______ have played a vital role.
16. What is full form of AFM ?
A. Automatic force microscope
B. Atomic force mirror
C. Automatic fire microscope
D. Atomic force microscope
Answer : Option D
17. What is full name of ECG ?
A. Electron cardiograph
B. Electro cardiograph
C. Electron colour gram
D. Electric colour graph
Answer : Option B
18. What is full name of ESR ?
A. Electric space Radar
B. Electron space Range
C. Electron spin Resonance
D. Electric spin Resonance
Answer : Option C
19. What is full name of NMR ?
A. Nuclear magnetic Resonance
B. Neutron mega Resonance
C. Nuclear mega Radar
D. Nuclear micro Radar
Answer : Option A
20. ______ deals with electric charge and magnetic phenomenon