Physics Inside an aeroplane, flying at a high altitude, the pressure inside is less than the pressure outside. the pressure is the same as that outside. normal humidity and partial vacuum are maintained. normal atmospheric pressure is maintained by the use of air pumps. the pressure inside is less than the pressure outside. the pressure is the same as that outside. normal humidity and partial vacuum are maintained. normal atmospheric pressure is maintained by the use of air pumps. ANSWER DOWNLOAD EXAMIANS APP
Physics Steel is more elastic than rubber because it : Is never deformed Requires larger deforming force Is harder than rubber Is deformed very easily Is never deformed Requires larger deforming force Is harder than rubber Is deformed very easily ANSWER DOWNLOAD EXAMIANS APP
Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 0.016 0.008 2000 1000 0.016 0.008 2000 1000 ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is not a property of electromagnetic waves? Electromagnetic waves are transverse waves Electromagnetic waves do not require a medium to propagate. Electromagnetic waves do not show interference and diffraction. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves are transverse waves Electromagnetic waves do not require a medium to propagate. Electromagnetic waves do not show interference and diffraction. Oscillating electric field and magnetic field are perpendicular to each other. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not caused by atmospheric refraction of light ? Sun appearing higher in the sky than it actually is Sun appearing red at sunset Sun becoming visible two or three minutes before actual sunrise Twinkling of stars at night Sun appearing higher in the sky than it actually is Sun appearing red at sunset Sun becoming visible two or three minutes before actual sunrise Twinkling of stars at night ANSWER DOWNLOAD EXAMIANS APP
Physics The density of the liquid when heated Decreases May increase of decrease depending on pressure Increases Does not change Decreases May increase of decrease depending on pressure Increases Does not change ANSWER DOWNLOAD EXAMIANS APP
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