Physics The device used to convert solar energy into electricity is Photovoltaic cell Electrochemical cell Daniell cell Galvanic cell Photovoltaic cell Electrochemical cell Daniell cell Galvanic cell ANSWER DOWNLOAD EXAMIANS APP
Physics A gap is left between two rails of a railway track to accommodate...... of the metal. Areal expansion Linear expansion Volume expansion Apparent expansion Areal expansion Linear expansion Volume expansion Apparent expansion ANSWER DOWNLOAD EXAMIANS APP
Physics Vegetables are cooked in lesser time by adding a pinch of salt while cooking because Boiling point of water decreases Latent heat of vaporization of water increases Latent heat of vaporization of water decreases Boiling point of water increases Boiling point of water decreases Latent heat of vaporization of water increases Latent heat of vaporization of water decreases Boiling point of water increases ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works on the principle of Diffraction Refraction Reflection Total internal reflection Diffraction Refraction Reflection Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? Cube Sphere Circular plate All will cool at the same rate Cube Sphere Circular plate All will cool at the same rate ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following, which is not emitted by radioactive substance? Electromagnetic radiations Alpha particles Electrons Neutrons Electromagnetic radiations Alpha particles Electrons Neutrons ANSWER DOWNLOAD EXAMIANS APP
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