Physics Which Color has the Longest Wavelength? Violet Red Yellow White Violet Red Yellow White ANSWER DOWNLOAD EXAMIANS APP
Physics A micron is equal to 0.0001 mm 0.1 mm 0.01 mm 0.001 mm 0.0001 mm 0.1 mm 0.01 mm 0.001 mm ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, Both A & B None of these The wavelength of the electrons must be close to the diameter of the object The wavelength of the electrons must be greater than the diameter of the object. Both A & B None of these The wavelength of the electrons must be close to the diameter of the object The wavelength of the electrons must be greater than the diameter of the object. ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It rediates heat better than metals It absorbs sun's rays It retains the heat inside by the green house effect It reflects sun's rays It rediates heat better than metals It absorbs sun's rays It retains the heat inside by the green house effect It reflects sun's rays ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Increases with decrease of temperature Decreases with increase of temperature Decreases with decrease of temperature Does not depend on temperature Increases with decrease of temperature Decreases with increase of temperature Decreases with decrease of temperature Does not depend on temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon of light associated with the appearance of blue colour of the sky is Scattering Refraction Reflection Interference Scattering Refraction Reflection Interference ANSWER DOWNLOAD EXAMIANS APP