Options: the intensity of light emitted by them changes with time, the distance of the stars from the earth changes with time, the refractive index of the different layers of the earth's atmosphere changes continuously, consequently the position of the image of a start changes with time, the light from the star is scattered by the dust particles and air molecules in the earth's atmosphere
In utensils worth Rs 1000 are produced with copper worth Rs 500, wages paid are Rs 100, other material purchased is worth Rs 100 and depreciation of machinery is zero, then what is the value added in process?
Options: the pressure is the same as that outside, normal atmospheric pressure is maintained by the use of air pumps, the pressure inside is less than the pressure outside, normal humidity and partial vacuum are maintained
Which of the following are the members of SAARC (South Asian Association for Regional Cooperation)?
Options: Bhutan, Bangladesh, India and Pakistan, Bhutan, Bangladesh, the Maldives, Nepal, India, Pakistan, Afghanistan and Sri Lanka, Afghanistan, Pakistan, Thailand, Indonesia, Nepal and Sri Lanka, None of the above
Which of the following international organisations has started the scheme 'Partnership for Peace' for a group of nations?
Options: Organisation of Petroleum Exporting Countries (OPEC), Economic and Social Commission for Asia and Pacific (ESCAP), North Atlantic Treaty Organisation (NATO), Organisations of African Unity (OAU)