Physics Name the process of production of energy in the Sun Radioactivity Ionization Nuclear fusion Nuclear fission Radioactivity Ionization Nuclear fusion Nuclear fission ANSWER DOWNLOAD EXAMIANS APP
Physics Which best describes how air moves during convection? Warm air falls down Cool air is replaced by warm air Cool air falls down Air always falls down Warm air falls down Cool air is replaced by warm air Cool air falls down Air always falls down ANSWER DOWNLOAD EXAMIANS APP
Physics Heavy water is used in nuclear reactor to Increase speed of neutron Slow down neutron Increase temperature Absorb neutron Increase speed of neutron Slow down neutron Increase temperature Absorb neutron ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument used to measure the force and velocity of the wind is Audiometer Anemometer Altimeter Ammeter Audiometer Anemometer Altimeter Ammeter ANSWER DOWNLOAD EXAMIANS APP
Physics The energy obtained from atoms is known as ________ Nuclear energy Heat energy Chemical energy Solar energy Nuclear energy Heat energy Chemical energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : The velocity of electron is smaller than that of visible light It uses more powerful lenses The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles The velocity of electron is smaller than that of visible light It uses more powerful lenses The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles ANSWER DOWNLOAD EXAMIANS APP