Physics What type of lens is used in a magnifying glass None of these Plano-concave Concave Convex None of these Plano-concave Concave Convex ANSWER DOWNLOAD EXAMIANS APP
Physics In which one of the following the phenomenon of total internal reflection of light is used ? Twinkling of stars Working of binoculars Formation of mirage Formation of rainbow Twinkling of stars Working of binoculars Formation of mirage Formation of rainbow ANSWER DOWNLOAD EXAMIANS APP
Physics What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius ? Only some ice will melt No change will happen All ice will melt All water will become ice Only some ice will melt No change will happen All ice will melt All water will become ice ANSWER DOWNLOAD EXAMIANS APP
Physics When a card placed over a tumbler is flicked with the finger, the coin placed over it falls in the tumbler. Newton's third law of motion Law of conservation of energy Law of conservation of momentum Law of Inertia Newton's third law of motion Law of conservation of energy Law of conservation of momentum Law of Inertia ANSWER DOWNLOAD EXAMIANS APP
Physics Decibel is the unit used for Speed of light Radio wave frequency Intensity of sound Intensity of heat Speed of light Radio wave frequency Intensity of sound Intensity of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear > 85 db None of these < 85 db = 85 db > 85 db None of these < 85 db = 85 db ANSWER DOWNLOAD EXAMIANS APP