Physics An object which absorbs all colours and reflects none appears: Grey Black Blue White Grey Black Blue White ANSWER DOWNLOAD EXAMIANS APP
Physics Purity of a metal can be determined with the help of Boyle's law Pascal's law Conservation of mass principle Archimedes principle Boyle's law Pascal's law Conservation of mass principle Archimedes principle ANSWER DOWNLOAD EXAMIANS APP
Physics Energy that is produced commercially from coal is called Light energy Potential energy Thermal energy Kinetic energy Light energy Potential energy Thermal energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following statements is true when we see ''rainbow' ? We face sun and raindrops The Sun remains behind us and we face raindrops The sky remains clear and the sun is at lower position in the sky In light rainfall, we face Sun We face sun and raindrops The Sun remains behind us and we face raindrops The sky remains clear and the sun is at lower position in the sky In light rainfall, we face Sun ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, The wavelength of the electrons must be greater than the diameter of the object. Both A & B None of these The wavelength of the electrons must be close to the diameter of the object The wavelength of the electrons must be greater than the diameter of the object. Both A & B None of these The wavelength of the electrons must be close to the diameter of the object ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of Planck's constant is Js2 Js Js–2 J/s Js2 Js Js–2 J/s ANSWER DOWNLOAD EXAMIANS APP
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