Physics Large astronomical telescopes always use as objective mirror combinations of lenses None of these lens mirror combinations of lenses None of these lens ANSWER DOWNLOAD EXAMIANS APP
Physics After removing two electrons from helium atom it become? Alpha particle UV rays Gama particle X rays Alpha particle UV rays Gama particle X rays ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of Reflection by hot ground Total internal reflection by layers of air Diffraction of light Interference of light Reflection by hot ground Total internal reflection by layers of air Diffraction of light Interference of light ANSWER DOWNLOAD EXAMIANS APP
Physics A gap is left between two rails of a railway track to accommodate...... of the metal. Linear expansion Volume expansion Areal expansion Apparent expansion Linear expansion Volume expansion Areal expansion Apparent expansion ANSWER DOWNLOAD EXAMIANS APP
Physics Atmospheric pressure exerted on earth is due to Gravitational pull Revolution of earth Uneven heating of earth Rotation of earth Gravitational pull Revolution of earth Uneven heating of earth Rotation of earth ANSWER DOWNLOAD EXAMIANS APP
Physics The working of a rocket is based on the principle of: Conservation of mass Conservation of energy Conservation of momentum Conservation of angular momentum Conservation of mass Conservation of energy Conservation of momentum Conservation of angular momentum ANSWER DOWNLOAD EXAMIANS APP
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