Value of permeability of free space in SI units is___________________?

Related Mcqs:

1. Electromagnetic waves travel in free space with the speed of___________________?

   A. λ-rays
   B. Positive rays
   C. Cathode rays
   D. More than sound waves

2. Flight of a rocket in the space is an example of______________________?

   A. second law of motion
   B. third law of motion
   C. first law of motion
   D. law of gravitation

3. The direction of a vector in space is specified by_______________?

   A. One angle
   B. Two angle
   C. Three angle
   D. No angle

4. A vector can have maximum________components in space.?

   A. Zero
   B. Two
   C. Three
   D. Infinite

   Submitted by: Zahid Jagirani

5. The graphical representation of Ohms law is___________________?

   A. hyperbola
   B. ellipse
   C. parabola
   D. straight line

6. A thing that emits its own light is___________________?

   A. luminous
   B. non-luminous
   C. incandescent
   D. bright

7. The source of geothermal energy is___________________?

   A. decay of radioactive element in the earth
   B. compression of material in the earth
   C. residual lost of the earth
   D. all as said in A – B and C

8. A uniform steel wire of length 4m and area of cross-section 3×10-6m2 is extended by 1mm by the application of a force. If the youngs modulus of steel is 2×1011 Nm-2 the energy stored in the wire is___________________?

   A. 0.025J
   B. 0.50J
   C. 0.75J
   D. 0.100J

9. SI unit of the coefficient of viscosity is___________________?

   A. Kg.m.S-1
   B. Kg m-1.S-1
   C. Kg.m.S
   D. Kg-1.m-1.S-1

10. The velocity of laser light is___________________?

    A. Less than ordinary light
    B. More than ordinary light
    C. Equal to ordinary light
    D. Different for different colours or frequency