Physics Woollen cloth protects the body from cold because It is a poor conductor of heat It reflects heat It is a good conductor of heat External heat rays enter into the body through the woollen cloth It is a poor conductor of heat It reflects heat It is a good conductor of heat External heat rays enter into the body through the woollen cloth ANSWER DOWNLOAD EXAMIANS APP
Physics A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding ? 1 metre 4 metres 3 metres 2 metres 1 metre 4 metres 3 metres 2 metres ANSWER DOWNLOAD EXAMIANS APP
Physics A photo-electric cell converts Mechanical energy to electric energy Heat energy to mechanical energy Light energy to chemical energy Light energy to electrical energy Mechanical energy to electric energy Heat energy to mechanical energy Light energy to chemical energy Light energy to electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which is best used as a sound absorbing material in partition walls ? Glass pieces Glass - wool Stone chips Steel Glass pieces Glass - wool Stone chips Steel ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon of change in direction of light when it passes from one medium to another is called Dispersion Propagation Reflection Refraction Dispersion Propagation Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer in the outer atmosphere helps us in Reflecting radio waves and makes radio communication possible Absorbing UV radiations Regulating the temperature of atmosphere Absorbing cosmic ray particles Reflecting radio waves and makes radio communication possible Absorbing UV radiations Regulating the temperature of atmosphere Absorbing cosmic ray particles ANSWER DOWNLOAD EXAMIANS APP
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