Physics Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water Increases to a great extent Decreases slightly Increases slightly Decreases rapidly Increases to a great extent Decreases slightly Increases slightly Decreases rapidly ANSWER DOWNLOAD EXAMIANS APP
Physics A rear-view mirror for driving is Plain Convex Concave Inverted Plain Convex Concave Inverted 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 ? Increase Will increase first and then dcrease Dacrease Remain constant Increase Will increase first and then dcrease Dacrease Remain constant ANSWER DOWNLOAD EXAMIANS APP
Physics The resistance of a conductor is inversely proportional to its: Temperature Length Area of cross section Resistivity Temperature Length Area of cross section Resistivity ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : The velocity of electron is smaller than that of visible light It uses more powerful lenses The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles The velocity of electron is smaller than that of visible light It uses more powerful lenses The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles ANSWER DOWNLOAD EXAMIANS APP
Physics Electromagnet is constructed with which of the following ? Soft Iron Aluminium Nickel Steel Soft Iron Aluminium Nickel Steel ANSWER DOWNLOAD EXAMIANS APP