Physics Velocity of sound in air does not change with the change of Moisture content in air Pressure of air Wind in the direction of propagation of sound Temperature of air Moisture content in air Pressure of air Wind in the direction of propagation of sound Temperature of air ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following parts of the sunlight makes the solar cooker hot ? Cosmic rays Infra red Red light Ultra violet Cosmic rays Infra red Red light Ultra violet ANSWER DOWNLOAD EXAMIANS APP
Physics Which is best used as a sound absorbing material in partition walls ? Steel Glass - wool Glass pieces Stone chips Steel Glass - wool Glass pieces Stone chips ANSWER DOWNLOAD EXAMIANS APP
Physics A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will None of these Bend towards right Bend towards left Remain straight None of these Bend towards right Bend towards left Remain straight ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously ? They must have the same mass They must have the same volume They must be dropped in vacuum They must have the same density They must have the same mass They must have the same volume They must be dropped in vacuum They must have the same density ANSWER DOWNLOAD EXAMIANS APP
Physics One light year is equal to 8 trillion miles 6 trillion miles 2 trillion miles 9 trillion miles 8 trillion miles 6 trillion miles 2 trillion miles 9 trillion miles ANSWER DOWNLOAD EXAMIANS APP