Physics Out of the following, which is not emitted by radioactive substance? Neutrons Electrons Electromagnetic radiations Alpha particles Neutrons Electrons Electromagnetic radiations Alpha particles ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbows are produced when sunlight : Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. None of the given statements is correct. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. None of the given statements is correct. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the longest wavelength? Infrared radiation Visible radiation X-ray radiation Ultraviolet radiation Infrared radiation Visible radiation X-ray radiation Ultraviolet radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Rate at which velocity changes over time? Displacement Acceleration Jerk Speed Displacement Acceleration Jerk Speed ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Atomic emission Atomic absorption Electron emission Electron absorption Atomic emission Atomic absorption Electron emission Electron absorption ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : The electrons have more energy than the light particles The velocity of electron is smaller than that of visible light The wavelength of electrons is smaller as compared to the wavelength of visible light It uses more powerful lenses The electrons have more energy than the light particles The velocity of electron is smaller than that of visible light The wavelength of electrons is smaller as compared to the wavelength of visible light It uses more powerful lenses ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS