Physics The phenomenon of light associated with the appearance of blue colour of the sky is Refraction Scattering Interference Reflection Refraction Scattering Interference Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Hysteresis loss alone Both the heating effect of current and hysteresis loss Intense sunlight at noon The heating effect of current alone Hysteresis loss alone Both the heating effect of current and hysteresis loss Intense sunlight at noon The heating effect of current alone ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? Its energy levels are very close to each other It is very small in size It is highly electropositive It has only one electron Its energy levels are very close to each other It is very small in size It is highly electropositive It has only one electron ANSWER DOWNLOAD EXAMIANS APP
Physics The angle in which a cricket ball should be hit to travel maximum horizontal distance is : 60° with horizontal 30° with horizontal 45° with horizontal 15° with horizontal 60° with horizontal 30° with horizontal 45° with horizontal 15° with horizontal ANSWER DOWNLOAD EXAMIANS APP
Physics Ice is packed in saw dust because Saw dust will not get melted easily. Saw dust is poor conductor of heat. Saw dust does not stick to the ice. Saw dust is a good conductor of heat. Saw dust will not get melted easily. Saw dust is poor conductor of heat. Saw dust does not stick to the ice. Saw dust is a good conductor of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves so that No frictional force may be produced between the tracks and the wheels of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards No frictional force may be produced between the tracks and the wheels of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards ANSWER DOWNLOAD EXAMIANS APP
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