Michelson devised the formula to calculate the speed of light_______________?

Related Mcqs:

1. Michelson calculated the speed of light using the instruments______________?

   A. spectrometer
   B. galvanometer
   C. interferometer
   D. none of these

2. When one mirror of a Michelson Interferometer is moved a distance of 0.5 mm we observe 2000 fringes. What will be wavelength of light used ?

   A. 5000 nm
   B. 5000A
   C. 500m
   D. 2000um

3. The equation θ = 1.22 λ/D was devised by_______________?

   A. Newton
   B. Einstein
   C. Raleigh
   D. Planks

4. If a car moves with a uniform speed of 2 ms-1 in a circle of radius 0.4. Its angular speed is______________?

   A. 4 rad. S-1
   B. 5 rad. S-1
   C. 1.6 rad. S-1
   D. 2.8 ms-1

5. A train is moving with a speed of 100mph. What will be its speed in m/s.?

   A. 45 m/s
   B. 90 m/s
   C. 100 m/s
   D. 120 m/s

   Submitted by: Zahid Jagirani

6. The formula of inter-conversion of centigrade and Fahrenheit scale is___________?

   A. c-32/9
   B. f -32/9 =c/5
   C. f-32/9=c/9
   D. none

   Submitted by: Mahrukh

7. Newton estimated the speed of sound _____________________?

   A. 281m/sec
   B. 333m/sec
   C. 340m/sec
   D. all of the above

8. When a body moves in a circle of radius r with linear speed V its centripetal force is_______________?

   A. mV/r2
   B. mV/r
   C. mV2/r
   D. mV2/r2

9. When a wheel 1 m in diameter makes 30 rev min the linear speed of the point on its rim in ms-1 is_______________?

   A. 2π
   B. π/2
   C. π
   D. 20π

10. The shaft of a motor rotates at a constant angular speed of 360rev/min. Angle turned through in 1 sec in radian is________________?

    A. π
    B. 3π
    C. 6π
    D. 12π