A. Newton
B. Einstein
C. Michelson
D. Galileo
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Related Mcqs:
- 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...
- A point source of light placed in a homogeneous medium gives rise to ___________________?
- A. a cylindrical wave front B. an elliptical wave front C. a spherical wave front D. a plane wave front...
- 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...
- Which experiment shows that wavelength of light is smaller than that of sound___________________?
- A. Diffraction B. Polarization C. Interference D. Reflection...
- Radiation with wavelength longer than red lights______________?
- A. ultraviolet rays B. X-rays C. infra red radiation D. visible radiation...
- 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...
- 2nd law of motion gives the definition of________________?
- A. force B. acceleration C. velocity D. both force and acceleration...
- 1st law of motion gives the definition of _________________________?
- A. inertia B. motion C. velocity D. force...
- In monochromatic red light a blue book will probably appear to be_________________?
- A. black B. purple C. green D. no scientific reasoning available...
- Light on passing through a Polaroid is ___________________?
- A. plane polarized B. un-polarized C. circularly polarized D. elliptically polarized...
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