Physics Sound travels fastest in Vacuum Water Glass Air Vacuum Water Glass Air ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Point in a particular direction Attracting a magnetic substance Hysteresis Susceptibility independent of temperature Point in a particular direction Attracting a magnetic substance Hysteresis Susceptibility independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Materials that usually are good conductors of electricity? Lead Wood Aluminium Nickel Lead Wood Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP
Physics The number of waves per second in a sound is called ________ of that sound. Acceleration Frequency Displacement Velocity Acceleration Frequency Displacement Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Should cars have bumpers that collapse under impact? Yes, since the offending car should get damaged and pay for the mistake Yes, since they help to absorb the impact of a collision and keep the occupants safe No, since it would be very expensive to get the car repaired No, since the colliding car would then ram into the occupants and kill them Yes, since the offending car should get damaged and pay for the mistake Yes, since they help to absorb the impact of a collision and keep the occupants safe No, since it would be very expensive to get the car repaired No, since the colliding car would then ram into the occupants and kill them ANSWER DOWNLOAD EXAMIANS APP
Physics 'Mirage' is an example of Total internal reflection of light only Dispersion of light only Refraction and total internal reflection of light Refraction of light only Total internal reflection of light only Dispersion of light only Refraction and total internal reflection of light Refraction of light only ANSWER DOWNLOAD EXAMIANS APP
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