Physics Dioptre is the unit of Light intensity Power of a lens Sound intensity Focal length of a lens Light intensity Power of a lens Sound intensity Focal length of a lens ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B The wavelength of the electrons must be close to the diameter of the object None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B The wavelength of the electrons must be close to the diameter of the object ANSWER DOWNLOAD EXAMIANS APP
Physics The three famous law of Kepler is related to Optics Oscillations Planetary Motion Speed Optics Oscillations Planetary Motion Speed ANSWER DOWNLOAD EXAMIANS APP
Physics Red light has a wavelength of 70 A°. In "nm" it is 7 nm 0.07 nm 700 nm 70 nm 7 nm 0.07 nm 700 nm 70 nm ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Attracting a magnetic substance Point in a particular direction Susceptibility independent of temperature Hysteresis Attracting a magnetic substance Point in a particular direction Susceptibility independent of temperature Hysteresis ANSWER DOWNLOAD EXAMIANS APP
Physics The swing of a spinning cricket ball in air can be explained on the basis of Sudden change in wind direction. Bernoulli's theorem. Turbulence caused by wind. Buoyancy of air. Sudden change in wind direction. Bernoulli's theorem. Turbulence caused by wind. Buoyancy of air. ANSWER DOWNLOAD EXAMIANS APP
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