l Short run marginal cost curves cuts the short
    run average cost curve from below at the mini-
                                                                       SSC CGL Tier-I Exam
    mum point of short run average cost.                         Held on: 22.08.2017 3rd Shift
Physics                                                   Medieval History
  l Convex and concave mirrors are examples of              l After the defeat of Plassey, Sirajuddaullah was
    spherical mirrors.                                         assassinated and Mir Jafar was made the nawab.
  l The frictional force exerted by fluids is also called                       Success Tip
    drag.                                                 The Battle of Plassey was a decisive victory of the
  l Benjamin Franklin discovered electricity and in-      British East India Company over the Nawab of Ben-
    vented the lightning rod and bifocals.                gal and his French allies on 23 June 1757.
                                                            l Sher Shah Suri defeated Mughal Emperor
Chemistry                                                      Humayun.
  l A change in which one or more new substances            l Gol Gumbaz was built in 17th century.
    are formed is called Chemical Change.
                                                          Geography and Environment
  l The property of metals by which they can be
    beaten into thin sheets is called malleability.         l As the river approaches the sea, the speed of the
                                                               flowing water decreases and the river begins to
Biology                                                        break up into a number of streams called dis-
  l Among plants, three different genera Solanum,              tributaries.
    Petunia and Datura are placed in Solanaceae             l The method of soil conservation in which rocks
    family.                                                    are piled up to slow down the flow of water which
  l The members of chlorophyceae are commonly                  prevents gullies and further soil loss is called rock
    called green algae.                                        dam.
  l The body cavity which is lined by mesoderm is           l The salt concentration (measured as salinity in
    called coelom.                                             parts per thousand), is greater than 100% in hy-
                                                               persaline lagoons.
  l The 2018 Men’s Hockey World Cup will be hosted
    by India.                                               l “Taxes on agricultural income” is listed in the
                                                               state list in the Seventh Schedule in the Consti-
Miscellaneous                                                  tution of India.
  l Using Image Organiser one can resize, tag digital       l Rajya Sabha approves constitutional amend-
    images, organise pictures into albums by drag              ments.
    and drop, can export the pictures for external
    use (by e-mail or print).
  l Railway Travel Insurance scheme by the Central          l The Capital Account balance is equal to capital
    Government states that an insurance of 10 lakhs            flows from the rest of the world, minus capital
    will cover each passenger travelling by Indian Rail        flows to the rest of the world.
    while booking a ticket if an amount of 92paise is                           Success Tip
    paid.                                                 A capital account shows the net change in physical
  l Padma Bhushan award is to distinguished ser-          or financial asset ownership for a nation and, to-
    vice of a high order to the nation.                   gether with the current account, constitutes a
  l Novels and their related author                       nation’s balance of payments.
       Novel                      Author                    l If a consumer’s demand for a good moves in the
    a. A head full of Ghosts      Paul G. Tremblay             same direction as the consumer’s income, the
    b. The Cartel                 Don Winslow                  consumer’s demand for that good must be in-
    c. Dodgers                    Bill Beverly                 versely related to the rice of the good is called
                                                               law of demand.
  l In April 2017, Emma Morano, the world’s oldest
    woman passed away at the age of 117. She was          Physics
    from Italy.
                                                            l If the force applied on the object is in the direc-
                                                            tion of its motion, the speed of the object in-

                                                            l The shape of the outer part of the ear is like a