Physics Stars twinkle because 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 the distance of the stars from the earth changes with time. ANSWER DOWNLOAD EXAMIANS APP
Physics If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects? Momentum Velocity Acceleration Kinetic Energy Momentum Velocity Acceleration Kinetic Energy ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo electric emission is not possible Photo current is constant Photo current increases with voltage Photo current decreases with voltage Photo electric emission is not possible Photo current is constant Photo current increases with voltage Photo current decreases with voltage ANSWER DOWNLOAD EXAMIANS APP
Physics In beta decay what is emitted Proton All of these Electron Neutron Proton All of these Electron Neutron ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbows are produced when sunlight : Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction None of the given statements is correct. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction None of the given statements is correct. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. ANSWER DOWNLOAD EXAMIANS APP
Physics The dimension of Planck constant equals to that of Angular momentum Momentum Power Energy Angular momentum Momentum Power Energy ANSWER DOWNLOAD EXAMIANS APP