Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is Of higher pitch when train arrives The same in both cases in all respects Of higher intensity when train arrives Of higher pitch when train departs Of higher pitch when train arrives The same in both cases in all respects Of higher intensity when train arrives Of higher pitch when train departs ANSWER DOWNLOAD EXAMIANS APP
Physics Blowing Air with open pipe is an example of : Isobaric process Isothermal process Adiabatic process Isochroric process Isobaric process Isothermal process Adiabatic process Isochroric process ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following determines the pitch of a sound? Loudness Wavelength Amplitude Frequency Loudness Wavelength Amplitude Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Nichrome Tungsten Nickel Chromium Nichrome Tungsten Nickel Chromium ANSWER DOWNLOAD EXAMIANS APP
Physics The type of mirrors used in the headlamp of cars is Parabolic concave Spherical convex Plane Cylindrical concave Parabolic concave Spherical convex Plane Cylindrical concave ANSWER DOWNLOAD EXAMIANS APP
Physics The working of the quartz crystal in the watch is based on the Piezo - electric Effect Johnson Effect Photoelectric Effect Edison Effect Piezo - electric Effect Johnson Effect Photoelectric Effect Edison Effect ANSWER DOWNLOAD EXAMIANS APP