Physics Planets are luminous heavenly bodies revolving around a star non-luminous heavenly bodies luminous heavenly bodies that twinkle luminous heavenly bodies that do not twinkle luminous heavenly bodies revolving around a star non-luminous heavenly bodies luminous heavenly bodies that twinkle luminous heavenly bodies that do not twinkle ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? Short waves are unaffected by atmospheric disturbances. Short waves are more energetic than long waves. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short wave broadcasts are made by nearby radio stations. Short waves are unaffected by atmospheric disturbances. Short waves are more energetic than long waves. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short wave broadcasts are made by nearby radio stations. ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Is a bad conductor of heat so only inner surface expands Has high temperature coefficient of expansion Has low temperature coefficient of expansion Has a very low specific heat Is a bad conductor of heat so only inner surface expands Has high temperature coefficient of expansion Has low temperature coefficient of expansion Has a very low specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics Carbon Arc lamps are commonly used in Domestic lighting Photography Cinema projectors Vehicles Domestic lighting Photography Cinema projectors Vehicles ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, 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. Both A & B None of these ANSWER DOWNLOAD EXAMIANS APP
Physics A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle ? Parabolic Hyper–parabolic Great circle Circle Parabolic Hyper–parabolic Great circle Circle ANSWER DOWNLOAD EXAMIANS APP