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Kindly cite the most recent and authentic study on this.02/10/2015
How did they change the classification of the plant kingdom?12/04/2014
Please list down the various organelles of viruses.12/04/2014
How is it associated with the proteins?12/04/2014
"A. 2πk/ω B. k/ω C. ωk D. 2π/k E. k/2π"26/02/2013
"Letf be the frequency,vthe speed, and Tthe period of a sinusoidal traveling wave. The angular frequency is given by: "
"A. 1/T B. 2π/T C. vT D. f/T E. T/f"26/02/2013
"Letf be the frequency,vthe speed, and Tthe period of a sinusoidal traveling wave. The correct relationship is: "
"A. f=1/T B. f=v+T C. f=vT D. f=v/T E. f=T/v"26/02/2013
"For a transversewave on astring the string displacement is described byy(x,t)=f(x−at), wheref is a given function and ais a positive constant. Which of the following does NOT necessarily follow from this statement? "
"A. The shape of the string at timet= 0 is given byf(x). B. The shape of thewaveform does not change as it moves along the string. C. The waveform moves in the positivexdirection. D. The speed of the waveform isa. E. The speed of the waveform isx/t."26/02/2013
"A block on a spring is subjected to a damping force that is proportional to its velocity and to an applied sinusoidal force. The energy dissipated by damping is supplied by: "
"A. the potential energy of the spring B. the kinetic energy of the mass C. gravity D. friction E. the applied force"26/02/2013
"An oscillator is subjected to a damping force that is proportional to its velocity. A sinusoidal force is applied to it. After a long time: "
"A. its amplitude is an increasing function of time B. its amplitude is a decreasing function of time C. its amplitude is constant D. its amplitude is a decreasing function of time only if the damping constant is large E. its amplitude increases over some portions of a cycle and decreases over other portions"26/02/2013