Physics In a vacuum, all electromagnetic waves have the same Wavelenth Frequency All listed here Velocity Wavelenth Frequency All listed here Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics When an unbalanced force acts on an object The speed & direction of the object will change Causes change in motion of the object All of these Causes the object to move The speed & direction of the object will change Causes change in motion of the object All of these Causes the object to move ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used to split white light into different colours ? Glass slab Concave lens Prism Convex lens Glass slab Concave lens Prism Convex lens ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Is a bad conductor of heat so only inner surface expands Has high temperature coefficient of expansion Has a very low specific heat Has low temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has high temperature coefficient of expansion Has a very low specific heat Has low temperature coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Physics Carbon Arc lamps are commonly used in Photography Vehicles Domestic lighting Cinema projectors Photography Vehicles Domestic lighting Cinema projectors ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? Short waves are more energetic than long waves. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are unaffected by atmospheric disturbances. Short wave broadcasts are made by nearby radio stations. Short waves are more energetic than long waves. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are unaffected by atmospheric disturbances. Short wave broadcasts are made by nearby radio stations. ANSWER DOWNLOAD EXAMIANS APP
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