Physics If the phase difference between two points is 120° for a wave with velocity of 360 m/s and frequency 500 Hz, then path difference between the two points is 24 cm 1 cm 6 cm 12 cm 24 cm 1 cm 6 cm 12 cm ANSWER DOWNLOAD EXAMIANS APP
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 rapidly Increases slightly Decreases slightly Increases to a great extent Decreases rapidly Increases slightly Decreases slightly ANSWER DOWNLOAD EXAMIANS APP
Physics The reflector of a search light is a : Plane mirror Cylindrical mirror Concave mirror Convex mirror Plane mirror Cylindrical mirror Concave mirror Convex mirror ANSWER DOWNLOAD EXAMIANS APP
Physics The GPS device in an automobile uses which communication channel? Satellite Microwave Radio frequency Infrared Satellite Microwave Radio frequency Infrared ANSWER DOWNLOAD EXAMIANS APP
Physics A body absorbs heat most if it is Black and smooth White and smooth Black and rough White and rough Black and smooth White and smooth Black and rough White and rough ANSWER DOWNLOAD EXAMIANS APP
Physics Electrons carry a Negative Charge Neutral Charge Variable Charge Positive Charge Negative Charge Neutral Charge Variable Charge Positive Charge ANSWER DOWNLOAD EXAMIANS APP