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The efforts to detect the existence of Higgs boson particle have become frequent news in the
recent past. What is/are the importance/importances of discovering this particle?
(1). It will enable us to under-stand as to why elementary particles have mass.
(2). It will enable us in the near future to develop the technology of transferring matter from
one point to another without traversing the physical space between them.
(3). It will enable us to create better fuels for nuclear fission.
Select the correct answer using the codes given below.

The known forces of nature can be divided into four classes, viz., gravity, electromagnetism, weak nuclear force and strong nuclear force. With reference to them, which one of the following statements is not correct?

Ball bearings are used in bicycles, cars, etc., because