Physics Name the process of production of energy in the Sun Nuclear fission Radioactivity Ionization Nuclear fusion Nuclear fission Radioactivity Ionization Nuclear fusion ANSWER DOWNLOAD EXAMIANS APP
Physics When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance ? Two times One-fourth Four times Half Two times One-fourth Four times Half ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb explodes on the moon. You will hear its sound on earth after ________ You cannot hear the sound of explosion 3.7 hours 20 minutes 2 hours 20 minutes You cannot hear the sound of explosion 3.7 hours 20 minutes 2 hours 20 minutes ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of magnetic permeability is Weber/meter Henry Henry/meter Weber Weber/meter Henry Henry/meter Weber ANSWER DOWNLOAD EXAMIANS APP
Physics The light rays used for eliminating bacteria Infrared rays Ultra-violet radiation Microwave radiation X-rays Infrared rays Ultra-violet radiation Microwave radiation X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Mesosphere Exosphere Ionosphere Stratosphere Mesosphere Exosphere Ionosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP