Eknath
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Questions

5

Answers

Which cities are at the most risk due to global warming?

Kindly cite the most recent and authentic study on this.
eknath
02/10/2015

1

Answers

What modifications were proposed by Margulis and Schwarts in Whittaker's scheme?

How did they change the classification of the plant kingdom?
eknath
12/04/2014

2

Answers

Name the different parts of viruses?

Please list down the various organelles of viruses.
eknath
12/04/2014

3

Answers

What is capsid?

How is it associated with the proteins?
eknath
12/04/2014

1

Answers

"The displacement of a string is given by y(x,t)=ymsin(kx+ωt). The wavelength of thewave is:"

"A. 2πk/ω B. k/ω C. ωk D. 2π/k E. k/2π"
eknath
26/02/2013

1

Answers

"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."
eknath
26/02/2013

1

Answers

"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"
eknath
26/02/2013

1

Answers

"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"
eknath
26/02/2013
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