General Science The dark lines in the solar spectrum are due to Absorption of corresponding wavelengths by the prism used in the photograph. Destructive interference between waves of certain definite wavelengths. Absorption of corresponding wavelengths by the outer layers of the sun. Absence of corresponding wavelengths from the light emitted by the core of the sun. Absorption of corresponding wavelengths by the prism used in the photograph. Destructive interference between waves of certain definite wavelengths. Absorption of corresponding wavelengths by the outer layers of the sun. Absence of corresponding wavelengths from the light emitted by the core of the sun. ANSWER DOWNLOAD EXAMIANS APP
General Science Gypsum is added to cement clinker to Bind the particles of calcium silicate Facilitate the formation of colloidal gel Increase the tensile strength of cement Decrease the rate of setting of cement Bind the particles of calcium silicate Facilitate the formation of colloidal gel Increase the tensile strength of cement Decrease the rate of setting of cement ANSWER DOWNLOAD EXAMIANS APP
General Science Kilohertz is a unit which measures Electric resistance Electromagnetic radio wave frequencies Voltage Power used by a current of one ampere Electric resistance Electromagnetic radio wave frequencies Voltage Power used by a current of one ampere ANSWER DOWNLOAD EXAMIANS APP
General Science Amalgams are Alloys which contain carbon Alloys which contain mercury as one of the contents Highly coloured alloys Alloys which have great resistance to abrasion Alloys which contain carbon Alloys which contain mercury as one of the contents Highly coloured alloys Alloys which have great resistance to abrasion ANSWER DOWNLOAD EXAMIANS APP
General Science Deep blue colour is imparted to glass by the presence of Cobalt oxide Cupric oxide Nickel oxide Iron oxide Cobalt oxide Cupric oxide Nickel oxide Iron oxide ANSWER DOWNLOAD EXAMIANS APP
General Science The two elements that are frequently used for making transistors are Niobium and Columbium Boron and Aluminium Silicon and Germanium Iridium and Tungsten Niobium and Columbium Boron and Aluminium Silicon and Germanium Iridium and Tungsten ANSWER DOWNLOAD EXAMIANS APP
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