Physics Light beam which is highly directional is called: Eraser Maser Laser Grazer Eraser Maser Laser Grazer 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 : (3/4)f F (7/3)f (4/3)f (3/4)f F (7/3)f (4/3)f ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has a very low specific heat Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has a very low specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics When an atom loses an electron it becomes Negative ion Positive ion Neutron None of these Negative ion Positive ion Neutron None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Kirchhoff's laws are applicable to None of these C. and A.C. circuits both C. circuits only C. circuits only None of these C. and A.C. circuits both C. circuits only C. circuits only ANSWER DOWNLOAD EXAMIANS APP
Physics Indicate the correct arrangement for electromagnetic radiation in order of their increasing wavelength. Visible, infrared, microwave, X-rays X -rays, visible, infrared, microwave X - rays, infrared, visible, microwave Microwave, infrared, visible. X-rays Visible, infrared, microwave, X-rays X -rays, visible, infrared, microwave X - rays, infrared, visible, microwave Microwave, infrared, visible. X-rays ANSWER DOWNLOAD EXAMIANS APP
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