Physics Water pipes in hilly areas often burst on a cold frosty night, because The material of which pipes are made contracts due to cold and so breaks None of these Water in the pipes freezes and on freezing water expands, so pipes break Frost makes the pipes rusty, so they break The material of which pipes are made contracts due to cold and so breaks None of these Water in the pipes freezes and on freezing water expands, so pipes break Frost makes the pipes rusty, so they break ANSWER DOWNLOAD EXAMIANS APP
Physics Which electromagnetic radiation is used for satellite communication ? Infrared Millimeter wave Ultraviolet Radiowave Infrared Millimeter wave Ultraviolet Radiowave ANSWER DOWNLOAD EXAMIANS APP
Physics A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ? Depends on their masses Both reach at the same time Disk Sphere Depends on their masses Both reach at the same time Disk Sphere ANSWER DOWNLOAD EXAMIANS APP
Physics A star appears twinkling in the sky because of Reflection of light by atmosphere Scattering of light by atmosphere Refraction of light by atmosphere Diffraction of light by atmosphere Reflection of light by atmosphere Scattering of light by atmosphere Refraction of light by atmosphere Diffraction of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following have the same unit ? Torque and angular momentum Work and torque Torque and moment of inertia Work and power Torque and angular momentum Work and torque Torque and moment of inertia Work and power ANSWER DOWNLOAD EXAMIANS APP
Physics Find the acceleration (in m/s2) of a body which accelerates from 25 m/s to 30 m/s in 10 seconds 1 0.5 11 5.5 1 0.5 11 5.5 ANSWER DOWNLOAD EXAMIANS APP
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