Physics Which of the following properties is found only in ferromagnetic materials ? Attracting a magnetic substance Hysteresis Susceptibility independent of temperature Point in a particular direction Attracting a magnetic substance Hysteresis Susceptibility independent of temperature Point in a particular direction ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Decreases Unchanged Depends upon the metal Increases Decreases Unchanged Depends upon the metal Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument for measuring blueness of the sky or ocean is called ________ Bathymeter Barometer Cyanometer Ceraunograph Bathymeter Barometer Cyanometer Ceraunograph ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of simple harmonic motion? Motion of a ceiling fan Earth spinning on its axis Simple pendulum motion Ball bouncing on floor Motion of a ceiling fan Earth spinning on its axis Simple pendulum motion Ball bouncing on floor ANSWER DOWNLOAD EXAMIANS APP
Physics A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of the emf's is : 0.20902777777778 0.12638888888889 0.21111111111111 0.12777777777778 0.20902777777778 0.12638888888889 0.21111111111111 0.12777777777778 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has got more heat capacity ? Gold piece Iron piece Benzene Water Gold piece Iron piece Benzene Water ANSWER DOWNLOAD EXAMIANS APP