World’s first artificial satellite ‘Sputnik 1’ was launched in

  1. 4 October, 1957
  2. 4 May, 1968
  3. 4 April, 1953
  4. 4 September, 1950

An ice mass that covers less than fifty-thousand square kilometers of land area is classified as

  1. glacier erosions
  2. ice cap
  3. ice sheet
  4. ice field

Who among the following first postulated that ” All objects in the Physical Universe are reducible to a finite number of atoms”?

  1. Maharishi Kapil
  2. Maharishi Kanaad
  3. Maharishi Vyas
  4. Maharishi Patanjali

What is the unit of Astronomical Distance

  1. Light year
  2. Lux
  3. Weber
  4. Angstrom

A “Charge-coupled device” in the modern Digital Cameras has replaced which among the following in the traditional Cameras?

  1. Lens
  2. Photographic film
  3. Flash equipment
  4. Shutter