Physics In mirrors the back surface is coated with a thin layer of : Mercury Red oxide Silver nitrate Silver Mercury Red oxide Silver nitrate Silver ANSWER DOWNLOAD EXAMIANS APP
Physics A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance Does not change Will increase Varies with the increase of depth of the immersion of the iron piece Will decrease Does not change Will increase Varies with the increase of depth of the immersion of the iron piece Will decrease ANSWER DOWNLOAD EXAMIANS APP
Physics Purity of a metal can be determined with the help of Archimedes principle Conservation of mass principle Boyle's law Pascal's law Archimedes principle Conservation of mass principle Boyle's law Pascal's law ANSWER DOWNLOAD EXAMIANS APP
Physics Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation? Diffraction Polarization Scattering Interference Diffraction Polarization Scattering Interference ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works on the principle of Reflection Diffraction Refraction Total internal reflection Reflection Diffraction Refraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is true of all simple machines? Work input > work output Both A & B None of these These make work easier Work input > work output Both A & B None of these These make work easier ANSWER DOWNLOAD EXAMIANS APP
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