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The book "Pisces of Physics" has been written by

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Important Questions on Physical World

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Let G, W, S and E be relative strengths of gravitational, weak nuclear, strong nuclear and electromagnetic forces. Identify the correct option
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Which of the following represents fundamental forces of nature?
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The ratio EW of relative strength of electromagnetic force E to weak nuclear force W is, 
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Which of the following is a possible final step in applying the scientific method?
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Which of the following forces have highest range?
(a) Gravitational force
(b) Weak Nuclear force
(c) Electromagnetic force
(d) Strong Nuclear force
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A total solar eclipse is observed from the earth. At the same time an observer on the moon views the earth. She is most likely to see (E denotes the earth)

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Which of the following statement is incorrect?
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Match the columns I and II
  Column I   Column II
A Stoke's law I Pressure and energy
B Turbulence II Hydraulic lift
C Bernoulli's Principle III Viscous drag
D Pascal's law IV Reynold's number

The correct match is

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(A) Ratio of the relative strength of gravitational to weak force is nearly 10-3
(B) Ratio of the relative strength of gravitational to weak force is less than 10-3
(C) Ratio of the relative strength of strong nuclear to electromagnetic force is nearly 102
(D) Ratio of the relative strength of strong nuclear to electromagnetic force is nearly 10-2.

Which of the following is true?

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A carrot looks orange in colour because of the β carotene molecule in it. This means that the β carotene molecule absorbs light of wavelengths,
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In a particle accelerator, a current of 500 μA is carried by a proton beam in which each proton has a speed of 3×107 m/s. The cross-sectional area of the beam is 1.50 mm2. The charge density in this beam (in C/m3 is close to
 
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The three central concepts in Newtonian mechanics are
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Though India has a large base in science and technology, which is fast expanding, it is still a long way from realizing its potential of becoming a world leader in science. Name some important factors, which in your view have hindered the advancement of science in India.
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Name the scientist and the country of his origin whose field of work was ‘Cosmic Rays'.
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India has had a long and unbroken tradition of great scholarship—in mathematics, astronomy, linguistics, logic and ethics. Yet, in parallel with this, several superstitious and obscurant is attitudes and practices flourished in our society and unfortunately continue even today—among many educated people too. How will you use your knowledge of science to develop strategies to counter these attitudes?