Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Increases Unchanged Decreases Depends upon the metal Increases Unchanged Decreases Depends upon the metal ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of Reflection by hot ground Total internal reflection by layers of air Diffraction of light Interference of light Reflection by hot ground Total internal reflection by layers of air Diffraction of light Interference of light ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing at the top of a tower has two spheres A and B. He drops sphere A downwards and throws sphere B horizontally at the same time. Which of the following is correct ? A will reach the ground first. The question is incomplete because the masses of the spheres are not given. B will reach the ground first. Both the spheres will reach the ground simultaneously. A will reach the ground first. The question is incomplete because the masses of the spheres are not given. B will reach the ground first. Both the spheres will reach the ground simultaneously. ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument for measuring intensity of earthquakes is called Ediograph Pantagraph Ergograph Seismograph Ediograph Pantagraph Ergograph Seismograph ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Becomes half Becomes 1/4 th Is also doubled Become 4 times Becomes half Becomes 1/4 th Is also doubled Become 4 times ANSWER DOWNLOAD EXAMIANS APP
Physics Kirchhoff's laws are applicable to C. and A.C. circuits both C. circuits only None of these C. circuits only C. and A.C. circuits both C. circuits only None of these C. circuits only ANSWER DOWNLOAD EXAMIANS APP