Physics Which of the following cannot be used for making lenses? Soil Glass Water Plastic Soil Glass Water Plastic ANSWER DOWNLOAD EXAMIANS APP
Physics Bubbles of air rise up through liquids due to Surface tension and adherence Up thrust and surface tension Air current over the liquid and buoyancy Viscosity and buoyancy Surface tension and adherence Up thrust and surface tension Air current over the liquid and buoyancy Viscosity and buoyancy ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Greenhouse effect' is mainly due to increase in atmospheric Ozone Sulphur dioxide Nitrogen Carbon dioxide Ozone Sulphur dioxide Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Physics In a conductor The forbidden energy gap is very wide There is no conduction band The valence band and the conduction band overlap each other The forbidden energy gap is very narrow The forbidden energy gap is very wide There is no conduction band The valence band and the conduction band overlap each other The forbidden energy gap is very narrow ANSWER DOWNLOAD EXAMIANS APP
Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit visible light radio waves X-rays ultraviolet light visible light radio waves X-rays ultraviolet light ANSWER DOWNLOAD EXAMIANS APP
Physics The mass defect is the result of what action occurring? Protons and electrons being attracted to each other Energy being converted into moles of atoms when neutrons break apart protons Mass being converted to energy when protons and neutrons break apart in a nucleus Mass being converted to energy when protons and neutrons bind together in a nucleus Protons and electrons being attracted to each other Energy being converted into moles of atoms when neutrons break apart protons Mass being converted to energy when protons and neutrons break apart in a nucleus Mass being converted to energy when protons and neutrons bind together in a nucleus ANSWER DOWNLOAD EXAMIANS APP