Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? K1k2/k1+k2 2k1k2/k1+k2 K1+k2/k1k2 None K1k2/k1+k2 2k1k2/k1+k2 K1+k2/k1k2 None ANSWER DOWNLOAD EXAMIANS APP
Physics Stars appears to move from east to west because The earth rotates from west to east All stars move from east to west The earth rotates from east to west The background of the stars moves from west to east The earth rotates from west to east All stars move from east to west The earth rotates from east to west The background of the stars moves from west to east ANSWER DOWNLOAD EXAMIANS APP
Physics Rate at which velocity changes over time? Jerk Acceleration Speed Displacement Jerk Acceleration Speed Displacement ANSWER DOWNLOAD EXAMIANS APP
Physics Indicate the false statement about the resistance of a wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the length of wire It depends on material of wire It is directly proportional to the area of cross-section of wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the length of wire It depends on material of wire It is directly proportional to the area of cross-section of wire ANSWER DOWNLOAD EXAMIANS APP
Physics A thin oil film on a water surface appears coloured because of Reflection Polarization Diffraction Interference Reflection Polarization Diffraction Interference ANSWER DOWNLOAD EXAMIANS APP
Physics A particle is thrown vertically upward. When it reaches the highest point, it has A horizontal velocity An upward acceleration A downward acceleration A downward velocity A horizontal velocity An upward acceleration A downward acceleration A downward velocity ANSWER DOWNLOAD EXAMIANS APP
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