General Science The dark lines in the solar spectrum are due to Destructive interference between waves of certain definite wavelengths. Absorption of corresponding wavelengths by the prism used in the photograph. Absence of corresponding wavelengths from the light emitted by the core of the sun. Absorption of corresponding wavelengths by the outer layers of the sun. Destructive interference between waves of certain definite wavelengths. Absorption of corresponding wavelengths by the prism used in the photograph. Absence of corresponding wavelengths from the light emitted by the core of the sun. Absorption of corresponding wavelengths by the outer layers of the sun. ANSWER DOWNLOAD EXAMIANS APP
General Science Which among the following is a positively charged particle emitted by a radioactive element? Alpha ray Cathode ray Beta ray Gamma ray Alpha ray Cathode ray Beta ray Gamma ray ANSWER DOWNLOAD EXAMIANS APP
General Science Water is a good solvent of ionic salts because It has a high specific heat It has no colour It has a high boiling point It has a high dipole moment It has a high specific heat It has no colour It has a high boiling point It has a high dipole moment ANSWER DOWNLOAD EXAMIANS APP
General Science Optic fibers are mainly used for which of the following? Musical instruments Food industry Communication Weaving Musical instruments Food industry Communication Weaving ANSWER DOWNLOAD EXAMIANS APP
General Science A chronometer measures: Sound waves Colour contrast Time Water waves Sound waves Colour contrast Time Water waves ANSWER DOWNLOAD EXAMIANS APP
General Science The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is Xenon Helium Krypton Argon Xenon Helium Krypton Argon ANSWER DOWNLOAD EXAMIANS APP