Physics Every hot object emits ________ Ultraviolet rays Infrared rays X–rays Visible light Ultraviolet rays Infrared rays X–rays Visible light ANSWER DOWNLOAD EXAMIANS APP
Physics Indicate the false statement about the resistance of a wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the length of wire It is directly proportional to the area of cross-section of wire It depends on material of wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the length of wire It is directly proportional to the area of cross-section of wire It depends on material of wire ANSWER DOWNLOAD EXAMIANS APP
Physics According to the theory of relativity, which of the following always remains constant ? Length of an object Velocity of light Time Space Length of an object Velocity of light Time Space ANSWER DOWNLOAD EXAMIANS APP
Physics The oil in the wick of an oil lamp rises up due to: Pressure difference Capillary action Low viscosity of oil Gravitational force Pressure difference Capillary action Low viscosity of oil Gravitational force ANSWER DOWNLOAD EXAMIANS APP
Physics The fundamental scientific principle in the operation of battery is Dissociation of electrolytes Dialysis Oxidation-reduction Acid-base interaction Dissociation of electrolytes Dialysis Oxidation-reduction Acid-base interaction ANSWER DOWNLOAD EXAMIANS APP
Physics An ice block with a piece of lead embeded in it floats in water. If ice melts the water level Falls Rises Remains same Falls first and then rises Falls Rises Remains same Falls first and then rises ANSWER DOWNLOAD EXAMIANS APP