Physics The threshold frequency is the frequency below which : Photo electric emission is not possible Photo current is constant Photo current decreases with voltage Photo current increases with voltage Photo electric emission is not possible Photo current is constant Photo current decreases with voltage Photo current increases with voltage 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 R/5 5 R 5 R/4 4 R/5 R/5 5 R 5 R/4 4 R/5 ANSWER DOWNLOAD EXAMIANS APP
Physics The size of gear is usually specified by Circular pitch Diametral pitch Pitch circle diameter Pressure angle Circular pitch Diametral pitch Pitch circle diameter Pressure angle ANSWER DOWNLOAD EXAMIANS APP
Physics Woollen cloth protects the body from cold because It reflects heat External heat rays enter into the body through the woollen cloth It is a poor conductor of heat It is a good conductor of heat It reflects heat External heat rays enter into the body through the woollen cloth It is a poor conductor of heat It is a good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same: Momentum Velocity Acceleration Kinetic energy Momentum Velocity Acceleration Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics If velocity is constant then acceleration is what? Infinite Constant Increasing Zero Infinite Constant Increasing Zero ANSWER DOWNLOAD EXAMIANS APP
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