Physics Optical fibre works on which of the following principle of light? Diffraction Reflection Total internal reflection Refraction Diffraction Reflection Total internal reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not change with the change of Pressure of air Temperature of air Moisture content in air Wind in the direction of propagation of sound Pressure of air Temperature of air Moisture content in air Wind in the direction of propagation of sound ANSWER DOWNLOAD EXAMIANS APP
Physics Why does bleeding occur through the nose in high mountainous regions ? The blood pressure fluctuates and finally decreases drastically The pressure of blood in capillaries is greater than the outside pressure The pressure at high altitudes is greater than that on the plains The blood pressure of a person increases at high altitudes The blood pressure fluctuates and finally decreases drastically The pressure of blood in capillaries is greater than the outside pressure The pressure at high altitudes is greater than that on the plains The blood pressure of a person increases at high altitudes ANSWER DOWNLOAD EXAMIANS APP
Physics Super conductors are substances that Conduct electricity at low temperature Offer minimum resistance to flow of electric current Conduct electricity at high temperature Offer high resistance to the flow of electric current Conduct electricity at low temperature Offer minimum resistance to flow of electric current Conduct electricity at high temperature Offer high resistance to the flow of electric current ANSWER DOWNLOAD EXAMIANS APP
Physics In the absence of ozone layer, which rays will enter into atmosphere? X-rays Visible Ultraviolet Infrared X-rays Visible Ultraviolet Infrared ANSWER DOWNLOAD EXAMIANS APP
Physics A liquid disturbed by stirring comes to rest due to Surface tension Viscosity Centripetal force Density Surface tension Viscosity Centripetal force Density ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS