Physics What should a person on a freely rotating turn table do to decrease his (angular) speed ? Spread his hands outwards Sit down with raised hands Bring his hands together Raise his hands up Spread his hands outwards Sit down with raised hands Bring his hands together Raise his hands up ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to low temperature Due to ozone Due to low air pressure Due to high humidity Due to low temperature Due to ozone Due to low air pressure Due to high humidity ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibres are based on the phenomenon of Dispersion Total Internal Reflection Interference Diffraction Dispersion Total Internal Reflection Interference Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the highest frequency? Cosmic rays Microwaves X-rays Radio waves Cosmic rays Microwaves X-rays Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics Ice is packed in saw dust because Saw dust will not get melted easily. Saw dust is a good conductor of heat. Saw dust is poor conductor of heat. Saw dust does not stick to the ice. Saw dust will not get melted easily. Saw dust is a good conductor of heat. Saw dust is poor conductor of heat. Saw dust does not stick to the ice. ANSWER DOWNLOAD EXAMIANS APP
Physics Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in Conduction Convection Both conduction and convection Radiation Conduction Convection Both conduction and convection Radiation ANSWER DOWNLOAD EXAMIANS APP