Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Increase Will increase first and then dcrease Remain constant Dacrease Increase Will increase first and then dcrease Remain constant Dacrease ANSWER DOWNLOAD EXAMIANS APP
Physics A fresh egg when placed in salt water will Burst Float Sink and go to the bottom Sink but will not go to the bottom Burst Float Sink and go to the bottom Sink but will not go to the bottom ANSWER DOWNLOAD EXAMIANS APP
Physics Outside of cooking utensils are generally left black from below because It is difficult to clean daily. Black surface is a good conductor of heat. Black surface is a poor conductor of heat. Black surface is a good absorber of heat. It is difficult to clean daily. Black surface is a good conductor of heat. Black surface is a poor conductor of heat. Black surface is a good absorber of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection I, II and III I and III II and III I and II I, II and III I and III II and III I and II ANSWER DOWNLOAD EXAMIANS APP
Physics In the electrical circuit of a house, the fuse acts as A safety device A load A thermopile A step down device A safety device A load A thermopile A step down device ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy Absence of gravity outside Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside Fact that spacecraft in the orbit has no energy Absence of gravity outside ANSWER DOWNLOAD EXAMIANS APP