Physics Why is it difficult to breathe at higher altitudes? Due to low temperature Due to high humidity Due to ozone Due to low air pressure Due to low temperature Due to high humidity Due to ozone Due to low air pressure ANSWER DOWNLOAD EXAMIANS APP
Physics The nature of fuse wire is Low resistance and low melting point. High resistance and high melting point. Low resistance and high melting point. High resistance and low melting point. Low resistance and low melting point. High resistance and high melting point. Low resistance and high melting point. High resistance and low melting point. ANSWER DOWNLOAD EXAMIANS APP
Physics A soap bubble shows colours when illuminated with white light. This is due to Interference Reflection Diffraction Polarisation Interference Reflection Diffraction Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : To convert static friction into kinetic friction To convert kinetic friction into rolling friction To increase friction Just for convenience To convert static friction into kinetic friction To convert kinetic friction into rolling friction To increase friction Just for convenience ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency used in TV and radar system lies in HF SHF VHF UHF HF SHF VHF UHF ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Decreases with increase in velocity. Decreases with decrease in velocity. Increases with increase in velocity with respect to an observer. Is independent of its velocity. Decreases with increase in velocity. Decreases with decrease in velocity. Increases with increase in velocity with respect to an observer. Is independent of its velocity. ANSWER DOWNLOAD EXAMIANS APP