Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has low temperature coefficient of expansion Has a very low specific heat Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has a very low specific heat Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands ANSWER DOWNLOAD EXAMIANS APP
Physics Parabolic mirrors are used in Dentists mirros Driving mirrors Shaving mirros Car headlights Dentists mirros Driving mirrors Shaving mirros Car headlights ANSWER DOWNLOAD EXAMIANS APP
Physics At the Curie temperature, the ferromagnetic materials get converted into Diamagnetic materials Non-magnetic materials None of the others Paramagnetic materials Diamagnetic materials Non-magnetic materials None of the others Paramagnetic materials ANSWER DOWNLOAD EXAMIANS APP
Physics The waves used in sonography are Infra-red waves Micro waves Ultrasonic waves Sound waves Infra-red waves Micro waves Ultrasonic waves Sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics The type of mirrors used in the headlamp of cars is Spherical convex Cylindrical concave Parabolic concave Plane Spherical convex Cylindrical concave Parabolic concave Plane ANSWER DOWNLOAD EXAMIANS APP
Physics Rate of change of momentum is Velocity Pressure Area Force Velocity Pressure Area Force ANSWER DOWNLOAD EXAMIANS APP
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