Physics Who is the first person to define speed Newton Ptolemy Kepler Galileo Newton Ptolemy Kepler Galileo ANSWER DOWNLOAD EXAMIANS APP
Physics The source of the Sun's energy is the process of Thermionic emission Nuclear fission Nuclear fusion Photoelectric emission Thermionic emission Nuclear fission Nuclear fusion Photoelectric emission ANSWER DOWNLOAD EXAMIANS APP
Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ Propagation No option is correct Refraction Diffraction Propagation No option is correct Refraction Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is optical illusion? Mirage Earthshine Rainbow Halo Mirage Earthshine Rainbow Halo ANSWER DOWNLOAD EXAMIANS APP
Physics In severe winter, in cold countries water pipes burst because Water expands on freezing Contraction of water pipes Combined effect of all the above three High atmospheric pressure Water expands on freezing Contraction of water pipes Combined effect of all the above three High atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : F (4/3)f (7/3)f (3/4)f F (4/3)f (7/3)f (3/4)f ANSWER DOWNLOAD EXAMIANS APP
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