Physics Name the process of production of energy in the Sun Radioactivity Ionization Nuclear fission Nuclear fusion Radioactivity Ionization Nuclear fission Nuclear fusion ANSWER DOWNLOAD EXAMIANS APP
Physics An oil drop spreads over water because water has a higher surface tension Oil is more viscous Oil does not mix with water Oil is lighter than water water has a higher surface tension Oil is more viscous Oil does not mix with water Oil is lighter than water ANSWER DOWNLOAD EXAMIANS APP
Physics Electron microscope works on which of the following principles? Faraday's law of Electromagnetic induction Motion of charged particle in electromagnetic fields Wave Nature of electrons Optical interference Faraday's law of Electromagnetic induction Motion of charged particle in electromagnetic fields Wave Nature of electrons Optical interference ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear reactors used to produce electricity are based on Nuclear fusion Cold fusion Nuclear fission Superconductivity Nuclear fusion Cold fusion Nuclear fission Superconductivity ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be 5 R 5 R/4 4 R/5 R/5 5 R 5 R/4 4 R/5 R/5 ANSWER DOWNLOAD EXAMIANS APP
Physics Green house effect is the heating up of the Earth's atmosphere which is due to X-rays The ultraviolet rays G-rays The infra-red rays X-rays The ultraviolet rays G-rays The infra-red rays ANSWER DOWNLOAD EXAMIANS APP