Physics Acceptable noise level for human ear = 85 db None of these > 85 db < 85 db = 85 db None of these > 85 db < 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is due to refraction and reflection of sunlight by water droplets ionisation of water deposits absorption of sunlight in minute water droplets diffusion of sunlight through water droplets refraction and reflection of sunlight by water droplets ionisation of water deposits absorption of sunlight in minute water droplets diffusion of sunlight through water droplets ANSWER DOWNLOAD EXAMIANS APP
Physics The wavelength of a wave is the distance between Both B & C Trough and Trough Crest and Trough Crest and Crest Both B & C Trough and Trough Crest and Trough Crest and Crest ANSWER DOWNLOAD EXAMIANS APP
Physics Materials for rain-proof coats and tents owe their water-proof properties to viscosity specific gravity surface tension elasticity viscosity specific gravity surface tension elasticity ANSWER DOWNLOAD EXAMIANS APP
Physics The damage of the human body due to radiation (X-rays or grays etc,) is measured in : Rems Curie Roentgen Rads Rems Curie Roentgen Rads ANSWER DOWNLOAD EXAMIANS APP
Physics The atmospheric layer reflecting radio waves is called Ozonosphere Stratosphere Mesosphere Ionosphere Ozonosphere Stratosphere Mesosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP