Central spot of Newtons rings __________________?

Related Mcqs:

The blue colour of the sky is due to___________________?

A. diffraction B. reflection C. polarization D. scattering...

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...

Light reaches the earth form sun in nearly____________________?

A. 15 minutes B. 10 minutes C. 8 minutes D. 8 minutes 30 seconds...

According to Einstein light travels form one place to another in the form of ________________?

A. waves B. particles C. photons D. it was not his discovery...

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

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