Physics Which of the following is indicated by the colour of a star ? Distance Size Weight Temperature Distance Size Weight Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not depend on Humidity of air Density of air Temperature of air Pressure of air Humidity of air Density of air Temperature of air Pressure of air ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole Increases Decreases First increases and than decreases No change Increases Decreases First increases and than decreases No change ANSWER DOWNLOAD EXAMIANS APP
Physics Shock-absorbers are usually made of steel as it : Has lower elasticity Has no ductile property Has higher elasticity Is not brittle Has lower elasticity Has no ductile property Has higher elasticity Is not brittle ANSWER DOWNLOAD EXAMIANS APP
Physics When an unbalanced force acts on an object Causes change in motion of the object Causes the object to move The speed & direction of the object will change All of these Causes change in motion of the object Causes the object to move The speed & direction of the object will change All of these ANSWER DOWNLOAD EXAMIANS APP