Practice Physics concept - general science mcq Online Quiz (set-2) For All Competitive Exams
Q-1) Which type/types of pen uses/use capillary action in addition to gravity for flow of ink?
(a)
(b)
(c)
(d)
Q-2) The tendency of a liquid drop to contract and occupy minimum area is due to :
(a)
(b)
(c)
(d)
Q-3) Three identical vessels A, B and C are filled with water, mercury and kerosene respectively up to an equal height. The three vessels are provided with identical taps at the bottom of the vessels. If the three taps are opened simultaneously, then which vessel is emptied first?
(a)
(b)
(c)
(d)
Q-4) Consider the following statements: A body weighs less at the equator than at the poles because:
- earth rotates about its axis.
- the ice cap at the poles increases gravitational pull.
- equatorial diameter is greater than the polar diameter.
- of some unknown facts.
Which of the statements given above is/are incorrect?
(a)
(b)
(c)
(d)
Q-5) Flow velocities in an incompressible fluid can be measured with which one of the following?
(a)
(b)
(c)
(d)
Q-6) The value of acceleration due to gravity
(a)
(b)
(c)
(d)
Q-7) Purity of a metal can be determined with the help of
(a)
(b)
(c)
(d)
Q-8) When pressure exerted on an enclosed liquid or gas at rest, is transmitted equally in all the directions, is in accordance with:
(a)
(b)
(c)
(d)
Q-9) A spring balance is graduated on sea level. A body of mass 1 kg is weighed at consecutively increasing heights from the earth’s surface, then what would be the weight indicated by the balance?
(a)
(b)
(c)
(d)
Q-10) Assertion (A) :
Space rocket are usually launched in the equatorial line from west to east
Reason (R) :
The acceleration due to gravity is minimum at the equator.
(a)
(b)
(c)
(d)
Q-11) If a gas is heated at constant pressure its isothermal compressibility
(a)
(b)
(c)
(d)
Q-12) If the moon is to escape from the gravitational field of the earth forever, it will require a velocity
(a)
(b)
(c)
(d)
Q-13) Kerosene oil rises up in a wick of lantern because of
(a)
(b)
(c)
(d)
Q-14) A body is at rest on the surface of earth. Which of the following statements is correct?
(a)
(b)
(c)
(d)
Q-15) Two objects of different masses falling freely near the surface of moon would
(a)
(b)
(c)
(d)
Q-16) Assertion :
The tidal waves in sea are primarily due to the gravitational effect of earth.
Reason :
The intensity of gravitational field of earth is maximum at the surface of earth.
(a)
(b)
(c)
(d)
Q-17) A liquid is kept in a regular cylindrical vessel upto a certain height. If this vessel is replaced by another cylindrical vessel having half the area of cross-section of the bottom, the pressure on the bottom will
(a)
(b)
(c)
(d)
Q-18) In respect of the difference of the gravitational force from electric and magnetic forces, which one of the following statements is true ?
(a)
(b)
(c)
(d)
Q-19) A geostationary satellite
(a)
(b)
(c)
(d)
Q-20) A liquid is flowing in a streamlined manner through a cylindrical pipe. Along a section containing the axis of the pipe, the flow profile will be : (a) (b) (c) (d)
(a)
(b)
(c)
(d)
