Physics Propagation of sound can be visualised as propagation of ________ variations in the medium Density Elasticity Viscosity Porosity Density Elasticity Viscosity Porosity ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. ANSWER DOWNLOAD EXAMIANS APP
Physics The temperature which has the same reading on both Fahrenheit and Celsius scales is –40° 32° 40° 0° –40° 32° 40° 0° ANSWER DOWNLOAD EXAMIANS APP
Physics The spoon dropped by an astronaut in a satellite will Remain stationary Continue to follow the motion of the satellite Fall to the floor Move tangentially away Remain stationary Continue to follow the motion of the satellite Fall to the floor Move tangentially away ANSWER DOWNLOAD EXAMIANS APP
Physics Gas thermometers are more sensitive than the liquid thermometers because the gases Have high,specific heat Have low specific heat Have large coefficient of expansion Are lighter Have high,specific heat Have low specific heat Have large coefficient of expansion Are lighter ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following group of elements are diamagnetic? Argon, copper, silver Oxygen, copper, silver Hydrogen, oxygen, Argon Hydrogen, argon, copper Argon, copper, silver Oxygen, copper, silver Hydrogen, oxygen, Argon Hydrogen, argon, copper ANSWER DOWNLOAD EXAMIANS APP