Physics A piece of wood is held under water. The upthrust on it will be: Less than weight of the wood Zero Equal to the weight of the wood More than weight of the wood Less than weight of the wood Zero Equal to the weight of the wood More than weight of the wood ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon which causes mirage is Total internal reflection Interference Diffraction Polarisation Total internal reflection Interference Diffraction Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics A simple microscope consists of : A long focus convex lens A short focus convex lens A long focus concave lens A short focus concave lens A long focus convex lens A short focus convex lens A long focus concave lens A short focus concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________ 20 J 30 J 40 J 50 J 20 J 30 J 40 J 50 J ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following supports particle nature of photons ? Photoelectric effect Diffraction Polarization Interference Photoelectric effect Diffraction Polarization Interference ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. None of above ANSWER DOWNLOAD EXAMIANS APP
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