Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Have its shape changed Decrease Increase Remain unaffected Have its shape changed Decrease Increase Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Physics If the spinning speed of the earth is increased then the weight of body at the equator Same Increases Decreases Double Same Increases Decreases Double ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: Both the heating effect of current and hysteresis loss The heating effect of current alone Intense sunlight at noon Hysteresis loss alone Both the heating effect of current and hysteresis loss The heating effect of current alone Intense sunlight at noon Hysteresis loss alone ANSWER DOWNLOAD EXAMIANS APP
Physics Name the process by which bubbles from liquid are formed? Effervescence Degasification Surface Energy Surface Tension Effervescence Degasification Surface Energy Surface Tension ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are used for accurately measuring very small time intervals ? Quartz clocks White dwarfs Pulsars Atomic clocks Quartz clocks White dwarfs Pulsars Atomic clocks ANSWER DOWNLOAD EXAMIANS APP
Physics Pick out the scalar quantity Force Acceleration Velocity Pressure Force Acceleration Velocity Pressure ANSWER DOWNLOAD EXAMIANS APP
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