Physics Waves that are required for long distance wireless communication are Radio waves Ultraviolet rays Infrared rays Microwaves Radio waves Ultraviolet rays Infrared rays Microwaves ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? Due to surface tension It will remain under the water, when it will displace more water than its weight Due to its shape The density of needle is less than that of water Due to surface tension It will remain under the water, when it will displace more water than its weight Due to its shape The density of needle is less than that of water ANSWER DOWNLOAD EXAMIANS APP
Physics An object which absorbs all colours and reflects none appears: Black White Grey Blue Black White Grey Blue ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic brakes work on the principle of Newton's law Thomson's law Pascal's law Bernoulli's theorem Newton's law Thomson's law Pascal's law Bernoulli's theorem ANSWER DOWNLOAD EXAMIANS APP
Physics What is another name for energy of motion? Potential energy Rotational energy Kinetic energy Motional energy Potential energy Rotational energy Kinetic energy Motional energy ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum distance (in metres) required to hear an echo? 21 10 17 13 21 10 17 13 ANSWER DOWNLOAD EXAMIANS APP
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