Physics Magnetism at the centre of a bar magnet is zero maximum minimum or maximum minimum zero maximum minimum or maximum minimum ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Thermo-electric effect Adiabatic demagnetisation Super conductivity Joule-Kelvin effect Thermo-electric effect Adiabatic demagnetisation Super conductivity Joule-Kelvin effect ANSWER DOWNLOAD EXAMIANS APP
Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be in the form of a vertical rod Can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Should be made of a good conductor but can be of any shape Should be in the form of a vertical rod Can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Should be made of a good conductor but can be of any shape ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments Is infinity Is zero Depends on the speeds of various fragments Depends on the total mass of all the fragments Is infinity Is zero Depends on the speeds of various fragments Depends on the total mass of all the fragments ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument that measures and records the relative humidity of air is Hydrometer Hygrometer Barometer Lactometer Hydrometer Hygrometer Barometer Lactometer ANSWER DOWNLOAD EXAMIANS APP
Physics A star appears twinkling in the sky because of Scattering of light by atmosphere Refraction of light by atmosphere Diffraction of light by atmosphere Reflection of light by atmosphere Scattering of light by atmosphere Refraction of light by atmosphere Diffraction of light by atmosphere Reflection of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
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