Physics The unit of measurement of noise is Acoustics Hertz Amplifier Decibel Acoustics Hertz Amplifier Decibel ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound is more in Wood Air Water Steel Wood Air Water Steel ANSWER DOWNLOAD EXAMIANS APP
Physics In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is Increased by 2% Decreased by 2% Increased by 4% Decreased by 4% Increased by 2% Decreased by 2% Increased by 4% Decreased by 4% ANSWER DOWNLOAD EXAMIANS APP
Physics Temperature of distant luminous bodies can be determined by Colour thermometers Mercury thermometers Gas thermometers Pyrometers Colour thermometers Mercury thermometers Gas thermometers Pyrometers ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following discovered X-rays? James Chadwick W.C Roentgen J.J Thomson Marie Curie James Chadwick W.C Roentgen J.J Thomson Marie Curie ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Accidents due to expansion in summer can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Accidents due to expansion in summer can be avoided ANSWER DOWNLOAD EXAMIANS APP
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