Physics After removing two electrons from helium atom it become? Alpha particle X rays UV rays Gama particle Alpha particle X rays UV rays Gama particle ANSWER DOWNLOAD EXAMIANS APP
Physics Why does a cannon recoil after firing ? Newton's third law of motion Backward thrust of gases produced Conservation of energy Newton's first law of motion Newton's third law of motion Backward thrust of gases produced Conservation of energy Newton's first law of motion ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre? -12.33 diopters -4.33 diopters 4.33 diopters 12.33 diopters -12.33 diopters -4.33 diopters 4.33 diopters 12.33 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following waves is used for communication by artificial satellites ? Frequency of 1016 series M. Radio waves Micro waves Frequency of 1016 series M. Radio waves Micro waves ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirrors are used as a rear view mirror in motor cycles because All of these It forms real image It forms smaller image as compared with object It forms erect (upright) image All of these It forms real image It forms smaller image as compared with object It forms erect (upright) image ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ? Saturn Earth Moon Venus Saturn Earth Moon Venus ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS