Physics The mercury and sodium street lamps light up because of : Atomic absorption Electron emission Electron absorption Atomic emission Atomic absorption Electron emission Electron absorption Atomic emission ANSWER DOWNLOAD EXAMIANS APP
Physics A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding ? 1 metre 4 metres 3 metres 2 metres 1 metre 4 metres 3 metres 2 metres ANSWER DOWNLOAD EXAMIANS APP
Physics The rice is cooked more quickly in a pressure cooker because It is covered. None of these Water boils at a higher temperature under pressure. Less quantity of water is used. It is covered. None of these Water boils at a higher temperature under pressure. Less quantity of water is used. ANSWER DOWNLOAD EXAMIANS APP
Physics What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it on application of 5 V of potential difference across it? 50 1 100 0.5 50 1 100 0.5 ANSWER DOWNLOAD EXAMIANS APP
Physics A radioactive substance does not undergo any change (in mass or charge) during Alpha-emission Gamma-emission Oxidation Beta-emission Alpha-emission Gamma-emission Oxidation Beta-emission ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Absence of gravity outside Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft Absence of gravity outside Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft ANSWER DOWNLOAD EXAMIANS APP
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