Physics Rainbow is seen after rain because of hanging molecules of water which act as Mirrors Slabs Lenses Prisms Mirrors Slabs Lenses Prisms ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 years 42 years 4.2 seconds 42 seconds 4.2 years 42 years 4.2 seconds 42 seconds ANSWER DOWNLOAD EXAMIANS APP
Physics Who is known as the 'father of quantum theory'? Werner Heisenberg Max Planck Albert Einstein Ernest Rutherford Werner Heisenberg Max Planck Albert Einstein Ernest Rutherford ANSWER DOWNLOAD EXAMIANS APP
Physics When a detergent is added to pure water, its surface tension Remains constant Increases Becomes infinite Decreases Remains constant Increases Becomes infinite Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics When a light wave is reflected from a mirror, there is a change in its Wavelength Amplitude Velocity Frequency Wavelength Amplitude Velocity Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics If objects appear enlarged and inverted in a rear view mirror, then which type of mirror is used? Plane Convex Concave Cylindrical Plane Convex Concave Cylindrical ANSWER DOWNLOAD EXAMIANS APP
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