Physics Which of the following is an insulator? Germanium Glass Mercury Carbon Germanium Glass Mercury Carbon ANSWER DOWNLOAD EXAMIANS APP
Physics When a constant force acts on an object with a mass of 8 kg for a duration of 3 s. it increases the object's velocity from 4 m/s to 6 m/s . What is the magnitude of the applied force? 4.33 N 6.33 N 3.33 N 5.33 N 4.33 N 6.33 N 3.33 N 5.33 N ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because metals have higher thermal capacity than plastics metals are good conductor of heat plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals have higher thermal capacity than plastics metals are good conductor of heat plastics have a higher thermal conductivity than metals plastics have a lower density than metals ANSWER DOWNLOAD EXAMIANS APP
Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 1000 0.008 2000 0.016 1000 0.008 2000 0.016 ANSWER DOWNLOAD EXAMIANS APP
Physics What is another name for energy of motion? Kinetic energy Rotational energy Potential energy Motional energy Kinetic energy Rotational energy Potential energy Motional energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are used for accurately measuring very small time intervals ? White dwarfs Pulsars Quartz clocks Atomic clocks White dwarfs Pulsars Quartz clocks Atomic clocks ANSWER DOWNLOAD EXAMIANS APP
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