The structure of Na+Cl- is:
A. Face centered cubic system
B. Body centered cubic system
C. Hexagonal crystal system
D. Triclinic crystal system
The material which is slightly attracted to magnetic field is:
A. Diamagnetic
B. Paramagnetic
C. Ferromagnetic
D. None of these
The total capacitance of 300mF capacitor and of 600mF in series is:
A. 300mF
B. 500mF
C. 200mF
D. 1000mF
Relativistic mechanic produces result different from classical mechanic in bodies moving with:
A. Very high velocities
B. Moderate velocities
C. Low velocities
D. Zero velocity
Which one of the following constant is not related to radiation?
A. Solar constant
B. Stefan’s constant
C. Boltzmann’s constant
D. Wien’s constant
Refractive index of material is approximately equal to square root of:
A. Electrical permittivity
B. Magnetic permittivity
C. Electrical permittivity x magnetic permittivity
D. None of these
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