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 In which one of the following the phenomenon of total internal reflection of light is used ? Working of binoculars Twinkling of stars Formation of rainbow Formation of mirage Working of binoculars Twinkling of stars Formation of rainbow Formation of mirage ANSWER DOWNLOAD EXAMIANS APP
Physics Brightness of bulb depends on voltage or current? Voltage Both A & B None Current Voltage Both A & B None Current ANSWER DOWNLOAD EXAMIANS APP
Physics The dimension of which of the following is the same as that of impulse ? Torque Volume Momentum Change in the rate of momentum Torque Volume Momentum Change in the rate of momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are used for accurately measuring very small time intervals ? White dwarfs Atomic clocks Quartz clocks Pulsars White dwarfs Atomic clocks Quartz clocks Pulsars ANSWER DOWNLOAD EXAMIANS APP
Physics Light scattering takes place in Colloidal solutions Basic solutions Electrolyte solutions Acidic solutions Colloidal solutions Basic solutions Electrolyte solutions Acidic solutions ANSWER DOWNLOAD EXAMIANS APP