Physics The resistance of a conductor is inversely proportional to its: Temperature Resistivity Length Area of cross section Temperature Resistivity Length Area of cross section ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibres are based on the phenomenon of Total Internal Reflection Interference Diffraction Dispersion Total Internal Reflection Interference Diffraction Dispersion ANSWER DOWNLOAD EXAMIANS APP
Physics Rise of oil a wick is due to Viscosity of the oil Surface tension of the oil Pressure of the oil Density of the oil Viscosity of the oil Surface tension of the oil Pressure of the oil Density of the oil ANSWER DOWNLOAD EXAMIANS APP
Physics The bats can fly in the dark because They have weak legs and are likely to be attacked by predators They generate flashes of light They can see the objects in darkness They generate ultrasonic sound waves They have weak legs and are likely to be attacked by predators They generate flashes of light They can see the objects in darkness They generate ultrasonic sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be A vertical straight line A parabola A circle A horizontal straight line A vertical straight line A parabola A circle A horizontal straight line ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Remain constant Will increase first and then dcrease Dacrease Increase Remain constant Will increase first and then dcrease Dacrease Increase ANSWER DOWNLOAD EXAMIANS APP