Physics Lens is made up of which glass Ordinary glass Flint glass Pyrex glass Cobalt glass Ordinary glass Flint glass Pyrex glass Cobalt glass ANSWER DOWNLOAD EXAMIANS APP
Physics After long periods of use, a grey spot develops on the inside of a bulb. This is because Glass undergoes a change due to the heat Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there The heat of the bulb scorches the glass at the top Glass undergoes a change due to the heat Dust inside the bulb condenses on the top The tungsten filament evaporates and collects there The heat of the bulb scorches the glass at the top ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is used in a magnifying glass Concave Plano-concave None of these Convex Concave Plano-concave None of these Convex ANSWER DOWNLOAD EXAMIANS APP
Physics Gamma rays are emitions that have Both mass and charge Neither mass nor charge Charge but no mass Mass but no charge Both mass and charge Neither mass nor charge Charge but no mass Mass but no charge ANSWER DOWNLOAD EXAMIANS APP
Physics If the distance between Sun and Earth becomes double, then the gravitational force on Earth will be Same Double Half One Fourth Same Double Half One Fourth ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of wood is held under water. The upthrust on it will be: Equal to the weight of the wood More than weight of the wood Zero Less than weight of the wood Equal to the weight of the wood More than weight of the wood Zero Less than weight of the wood ANSWER DOWNLOAD EXAMIANS APP