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 ?

Related Mcqs:

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

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

2. In a photoelectric effect monochromatic light is incident on a metal surface. If the incident light of twice the intensity but of same wavelength the kinetic energy of the emitted electron_______________?

   A. Becomes double B. Remains same C. Becomes half D. First increases then decrease because of the curvilinear graph...

3. Diffraction fringes are____________________?

   A. equally spaced B. distance between them increases C. distance between then decreases D. they are adjacent with no space in between...

4. Michelson devised the formula to calculate the speed of light_______________?

   A. C = 4fd B. C = 8fd C. C = 16fd D. C = 5/2fd...

5. Gives the definition of metre in terms of wavelength of red cadmium light ___________________?

   A. Newton B. Einstein C. Michelson D. Galileo...

6. Which experiment shows that wavelength of light is smaller than that of sound___________________?

   A. Diffraction B. Polarization C. Interference D. Reflection...

7. A transmitting station emits radio waves of wavelength λ at power P. If h is Planck’s constant & c the speed of light what is the rate of emission of photons ?

   A. λ B. Speed of sound C. Speed of lightB. D. h...

8. The distance between any two consecutive nodes or antinodes in a stationary wavelength (λ) is _________?

   A. λ B. λ/2 C. λ/4 D. λ/8 Submitted by: Rizwan Ayub Saadi...

9. In double slit experiment we observe _____________________?

   A. interference fringes only B. diffraction fringes only C. both interference and diffraction fringes D. polirized frringes...

10. If a photon is reflected from the mirror then the change in momentum of each photon is_______________?

    A. Zero B. Double C. Half D. 1...