Physics The base of an electric iron is brightly polished mainly To make it rust-proof To make it smooth and frictionless To reduce heat loss by radiation To make it more durable To make it rust-proof To make it smooth and frictionless To reduce heat loss by radiation To make it more durable ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: Sir CV Raman was awarded Noble Prize for his work connected with which of the following phenomenon of radiation? Interference Diffraction Scattering Polarization Interference Diffraction Scattering Polarization ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of pure silicon is doped with aluminium, then The doped silicon piece will become p-type The resistivity of the doped silicon piece will increase The doped silicon piece will become n-type The conductivity of the doped silicon piece will remain the same The doped silicon piece will become p-type The resistivity of the doped silicon piece will increase The doped silicon piece will become n-type The conductivity of the doped silicon piece will remain the same ANSWER DOWNLOAD EXAMIANS APP
Physics Total internal reflection can not take place when light goes from : Water to air Glass to air Water to glass Glass to water Water to air Glass to air Water to glass Glass to water ANSWER DOWNLOAD EXAMIANS APP
Physics In the absence of ozone layer, which rays will enter into atmosphere? Visible Infrared X-rays Ultraviolet Visible Infrared X-rays Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
Physics Energy is continuously created in the sun due to: Nuclear fission Artificial radioactivity Radioactivity Nuclear fusion Nuclear fission Artificial radioactivity Radioactivity Nuclear fusion ANSWER DOWNLOAD EXAMIANS APP
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