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The galaxy in which we live is:

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Important Questions on Physical World

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The physics behind fusion test reactor is:
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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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The three central concepts in Newtonian mechanics are
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A particle of mass 200 MeV c-2 collides with a hydrogen atom at rest. Soon after the collision, the particle comes to rest, and the atom recoils and goes to its first excited state. The initial kinetic energy of the particle (in eV) is N4. The value of N is: (Given the mass of the hydrogen atom to be 1 GeV c-2).........
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Methane is greenhouse gas because-
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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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The method of making nanomaterial by assembling the atoms is called
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Which scientific instrument is used to record the speed of an aircraft?

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Who is the known of Father of modern physics?
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There are two type of modern physics name them.
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A prediction made by a scientist based on his observations is known as
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Science , like any knowledge , can be put to good or bad depending on the user. Given below are some of the application of science. Formulate your views whether the particular applications is good, bad or something that cannot be so clearly categorised.

Purification of water for drinking.

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Which one of the following statements is true about the ‘laws’ and ‘theories’ in science?

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Classical physics does not include subjects like.
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In mesoscopic physics we deal with
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Time taken by light to cross nuclear diameter is of the order of
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The particle size of ZnO material is 30 nm. Based on the dimensions its is classified as 
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The shell of crabs found around a particular coastal location in Japan seem mostly to resemble the legendary face of a samurai. Given below are two explanations of this observed fact. Which of these strikes you as a scientific explanation ?
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Cotyledons are also called-
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The shells of crabs found around a particular coastal location in Japan seem mostly to resemble the legendary face of a Samurai. Given below are two explanations of this observed fact. Which of these strikes you as a scientific explanation?