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Physics Test - 3

  • 1.
    The latest discovered state of matter is:

    a 
    Solid
    b 
    Bose-Einstein Condensate
    c 
    Plasma
    d 
    Liquid

    Explanation:
    Subject: 
    GENERAL SCIENCE
    50.00% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 2.
    Parsec is the unit of :

    a 
    Distance
    b 
    magnetic force
    c 
    shining of light
    d 
    time

    Explanation:
    Subject: 
    GENERAL SCIENCE
    28.57% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 3.
    The surface of a lake is frozen in severe winter, but the water at its bottom is still liquid. What is the reason?

    a 
    ice is a bad conductor of hart
    b 
    since the surface of the lack is at the same temperature as the air, no heat is lost
    c 
    the density of water is maximum at 4°C.
    d 
    none of the statements a, b and c given below are correct.

    Explanation:
    Subject: 
    GENERAL SCIENCE
    16.67% users answered right
    Correct Answer: c
    Comment · 0 · 
  • 4.

    the temperature of water at the bottom of a lake whose upper surface has frozen to ice would be around:

    a 
    -10°C
    b 
    0°C
    c 
    4°C
    d 
    -4°C
     

    Explanation:
    Subject: 
    GENERAL SCIENCE
    16.67% users answered right
    Correct Answer: b
    Comment · 2 · 
  • 5.
    The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere because it absorbs?

    a 
    the water vapour or the air and retains its heat
    b 
    the ultraviolet part of the solar radiation
    c 
    all the solar radiation
    d 
    the infrared part of the solar radiation

    Explanation:
    Subject: 
    GENERAL SCIENCE
    20.00% users answered right
    Correct Answer: d
    Comment · 0 · 
  • 6.
    the weight of the human body is :

    a 
    same at every places on the earth’s surface
    b 
    maximum at the poles
    c 
    maximum at the equator
    d 
    more on the mountains than the plains

    Explanation:
    Subject: 
    GENERAL SCIENCE
    66.67% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 7.
    Why an iron nail floats on mercury but sinks in water?

    a 
    less chemical affinity of iron than mercury with water
    b 
    the weight of iron nail is more than water but less than mercury
    c 
    the density of iron is more than water but less than mercury
    d 
    None of these

    Explanation:
    Subject: 
    GENERAL SCIENCE
    40.00% users answered right
    Correct Answer: c
    Comment · 0 · 
  • 8.

    If two pieces of ice are mutually pressed to each other then these pieces stick because:

    a 
    at higher pressure the melting point of ice decreases
    b 
    at higher pressure the melting point of ice increases
    c 
    at higher pressure the melting point of ice firstly decreases and then increases
    d 
    there exists no relation between the pressure and melting point of the ice
     

    Explanation:
    Subject: 
    GENERAL SCIENCE
    40.00% users answered right
    Correct Answer: c
    Comment · 0 · 
  • 9.
    In which the following kinetic energy does not exist:

    a 
    fired bullet
    b 
    flowing water
    c 
    imparted hammer
    d 
    stretched bow

    Explanation:
    Subject: 
    GENERAL SCIENCE
    40.00% users answered right
    Correct Answer: d
    Comment · 0 · 
  • 10.

    The cyclist (man) leans or bends himself around a turning because:

    a 
    speed of man and cycle should be the same, otherwise the cycle will skid
    b 
    he bends to locate the centre of gravity inside the base which prevents him from falling down
    c 
    he bends to exert pressure on the cycle’s wheels to move on the curved track(pat
    d 
    he bends to cross the curve path speedily
     

    Explanation:
    Subject: 
    GENERAL SCIENCE
    60.00% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 11.
    When a stone piece is brought from the moon’s surface to the earth then:

    a 
    its mass will change
    b 
    its weight will change but its mass would remain constant
    c 
    the weight and mass both will change
    d 
    neither mass nor weight will change 

    Explanation:
    Subject: 
    GENERAL SCIENCE
    40.00% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 12.
    The apparent weight of a person sitting in a lift is less than its real weight when the lift moves

    a 
    upwards with an acceleration
    b 
    down wards with an acceleration
    c 
    upwards with equal velocity
    d 
    down wards with equal velocity

    Explanation:
    Subject: 
    GENERAL SCIENCE
    40.00% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 13.
    If the length of a simple pendulum is increased by 4% then its time period will be:

    a 
    increased by 3%
    b 
    increased by 2%
    c 
    increased by 4%
    d 
    None

    Explanation:
    Subject: 
    GENERAL SCIENCE
    60.00% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 14.
    If a ship moves from fresh water into seawater, it will______

    a 
    sink completely
    b 
    sink a little bit
    c 
    rise a little higher
    d 
    remain unaffected

    Explanation:
    Subject: 
    GENERAL SCIENCE
    60.00% users answered right
    Correct Answer: c
    Comment · 0 · 
  • 15.
    Satellites used for tele-communication relay are kept in a geostationary orbit. A satellite is said to be in such an orbit when:
    I. The orbit is geosynchronous
    II. The orbit is circular
    III. The orbit lies in the plane of the earth’s equator
    IV. The orbit is at an altitude of 22,236km
    Select the correct answer using the codes given below:

    a 
    I, II and III only
    b 
    I, III and IV only
    c 
    II and IV only
    d 
    I, II, III and IV all
    Explanation:
    Subject: 
    GENERAL SCIENCE
    20.00% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 16.
    If a coin is tossed upward from the ground with a velocity of 9.8m/sec then it rises to a height:

    a 
    9.8m
    b 
    10m
    c 
    4.9m
    d 
    49m

    Explanation:
    Subject: 
    GENERAL SCIENCE
    0.00% users answered right
    Correct Answer: c
    Comment · 1 · 
  • 17.
    The angular speed of a whirlwind in a tornado towards the centre

    a 
    decrease rapidly
    b 
    increase
    c 
    c) remains constant
    d 
    slowly become Zero

    Explanation:
    Subject: 
    GENERAL SCIENCE
    40.00% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 18.

    Cryogenics are used in :

    a 
    space journey, surgical works and magnetic resonance
    b 
    surgical works, magnetic resonance and remote sensing
    c 
    space journey, surgical works and remote sensing
    d 
    space journey, magnetic resonance and remote sensing
     

    Explanation:
    Subject: 
    GENERAL SCIENCE
    0.00% users answered right
    Correct Answer: c
    Comment · 0 · 
  • 19.
    The dew doesn’t form in fast wind blowing during the night because:

    a 
    the rate of vaporization is fast
    b 
    there is a lack of moisture in the wind
    c 
    the temperature remains high
    d 
    the sky is not clear

    Explanation:
    Subject: 
    GENERAL SCIENCE
    40.00% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 20.
    For a steel boat floating on a lake, the weight of the water displaced by the boat is?

    a 
    less than the weight of the boat
    b 
    more than the weight of the boat
    c 
    equal to the weight of the part of the boat which is below the water level of the lake
    d 
    equal to the weight of the boat

    Explanation:
    Subject: 
    GENERAL SCIENCE
    20.00% users answered right
    Correct Answer: c
    Comment · 0 · 
  • 21.
    The Otto engine takes heat:

    a 
    at constant temperature
    b 
    at constant volume
    c 
    at constant pressure
    d 
    none of these

    Explanation:
    Subject: 
    GENERAL SCIENCE
    20.00% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 22.
    The magnetic lines of force due to a bar magnet

    a 
    intersect inside the body of the magnet
    b 
    intersect at neutral points only
    c 
    intersect only at North and South poles
    d 
    Cannot intersect at all

    Explanation:
    Subject: 
    GENERAL SCIENCE
    20.00% users answered right
    Correct Answer: d
    Comment · 0 · 
  • 23.
    If an object is placed at the center of curvature of a concave mirror, the position of the image is

    a 
    at the principal focus
    b 
    between the principal focus and the center of curvature
    c 
    at the center of curvature
    d 
    beyond the center of curvature

    Explanation:
    Subject: 
    GENERAL SCIENCE
    0.00% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 24.
    When a body moves with simple harmonic motion, then the phase difference between the velocity and the acceleration is ___

    a 
    b 
    90°
    c 
    180°
    d 
    270°

    Explanation:
    Subject: 
    GENERAL SCIENCE
    20.00% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 25.
    An air bubble in water acts like a:

    a 
    convexmirror
    b 
    convex lens
    c 
    concave mirror
    d 
    concave lens

    Explanation:
    Subject: 
    GENERAL SCIENCE
    20.00% users answered right
    Correct Answer: d
    Comment · 0 · 
  • 26.
    Who was the inventor of radar?

    a 
    Robert Watson
    b 
    Fleming
    c 
    Bush Wall
    d 
    Austin

    Explanation:
    Subject: 
    GENERAL SCIENCE
    20.00% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 27.
    the visible range of solar radiation is:

    a 
    100-400 nm
    b 
    400-700 nm
    c 
    740-10000nm
    d 
    none of these 

    Explanation:
    Subject: 
    GENERAL SCIENCE
    60.00% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 28.
    an object weight the maximum in:

    a 
    air
    b 
    water
    c 
    hydrogen
    d 
    vacuum

    Explanation:
    Subject: 
    GENERAL SCIENCE
    40.00% users answered right
    Correct Answer: d
    Comment · 0 · 
  • 29.
    The S. I. unit of electric flux is:

    a 
    Nm2/coul
    b 
    N coul/ m2
    c 
    Nm2/coul2
    d 
    None of these

    Explanation:
    Subject: 
    GENERAL SCIENCE
    60.00% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 30.

    Which one of the following is diamagnetic?

    a 
    iron
    b 
    bismuth
    c 
    nickel
    d 
    cobalt
     

    Explanation:
    Subject: 
    GENERAL SCIENCE
    20.00% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 31.
    The antiparticle of the electronic is called?

    a 
    positron
    b 
    neutrino
    c 
    meson
    d 
    antineutrino

    Explanation:
    Subject: 
    GENERAL SCIENCE
    40.00% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 32.

    Who was the inventor of neutrino?

    a 
    pauli
    b 
    Fermi
    c 
    anderson
    d 
    Yukawa
     

    Explanation:
    Subject: 
    GENERAL SCIENCE
    0.00% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 33.
    Microwave oven consumes less power due to :

    a 
    small frequency of radiation
    b 
    short wave length of radiation
    c 
    large frequency as well as wave length of radiation
    d 
    small frequency as well as wave length of radiation

    Explanation:
    Subject: 
    GENERAL SCIENCE
    0.00% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 34.
    The end element of every natural radioactive elements is:

    a 
    carbon
    b 
    silicon
    c 
    bismuth
    d 
    sulphure

    Explanation:
    Subject: 
    GENERAL SCIENCE
    40.00% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 35.

    Cobalt-60 is usually utilised in radio therapy because of emission of:

    a 
    alpha rays
    b 
    beta rays
    c 
    gamma rays
    d 
    X-rays
     

    Explanation:
    Subject: 
    GENERAL SCIENCE
    40.00% users answered right
    Correct Answer: d
    Comment · 2 · 
  • 36.
    X-rays was invented by:

    a 
    Hospkins
    b 
    Roentgen
    c 
    Marcoin
    d 
    Morse

    Explanation:
    Subject: 
    GENERAL SCIENCE
    80.00% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 37.
    Who developed the atom bomb?

    a 
    Bearnor BON bron
    b 
    J. Robert Open Hemar
    c 
    Adberd Taylor
    d 
    Samual Cohen

    Explanation:
    Subject: 
    GENERAL SCIENCE
    20.00% users answered right
    Correct Answer: d
    Comment · 1 · 
  • 38.
    The device through which the intensity of the sunrays is measured:

    a 
    Astrometer
    b 
    Chrescograph
    c 
    Barometer
    d 
    Actiometer

    Explanation:
    Subject: 
    GENERAL SCIENCE
    0.00% users answered right
    Correct Answer: d
    Comment · 0 · 
  • 39.

    Solar radiation is measured by:

    a 
    pyrometer
    b 
    Astrometer
    c 
    barometer
    d 
    Manometer
     

    Explanation:
    Subject: 
    GENERAL SCIENCE
    20.00% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 40.
    Which one of the following has maximum energy ?

    a 
    Violet
    b 
    Green light
    c 
    Red light
    d 
    Yellow light

    Explanation:
    Subject: 
    GENERAL SCIENCE
    20.00% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 41.
    Good absorbers are good emitters. This is the statement of:

    a 
    Kirchhoff's law
    b 
    prevost's theory of heat exchange
    c 
    Stefan's law
    d 
    Wein's law

    Explanation:
    Subject: 
    GENERAL SCIENCE
    0.00% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 42.
    In which one of the following the speed of sound will be maximum?

    a 
    in the air at 00c
    b 
    in the air at 1000c
    c 
    in the water
    d 
    in the wood

    Explanation:
    Subject: 
    GENERAL SCIENCE
    0.00% users answered right
    Correct Answer: d
    Comment · 0 · 
  • 43.
    The time period of the revolution of the geostationary satellite around the earth is:

    a 
    equal to that of the earth
    b 
    twice that of the earth
    c 
    equal that of the moon
    d 
    None of the above 

    Explanation:
    Subject: 
    GENERAL SCIENCE
    60.00% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 44.
    The escape velocity of anybody on the earth’s surface is equal to how many times the orbital velocity of the same body on the earth’s surface:

    a 
    2 times
    b 
    √2 times
    c 
    √3 times
    d 
    No any relations exists

    Explanation:
    Subject: 
    GENERAL SCIENCE
    60.00% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 45.
    The laser is a beam of radiations which are:

    a 
    non-coherent and Non-monochromatic
    b 
    coherent and Non-monochromatic
    c 
    non-coherent and monochromatic
    d 
    coherent and monochromatic

    Explanation:
    Subject: 
    GENERAL SCIENCE
    60.00% users answered right
    Correct Answer: d
    Comment · 0 · 
  • 46.
    The ratio of the specific heat capacities of a diatomic gas is:

    a 
    1.33
    b 
    1.44
    c 
    1.66
    d 
    None of these

    Explanation:
    Subject: 
    GENERAL SCIENCE
    0.00% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 47.
    The device used to measure the diameters of stars and our galaxy (milky way) is called:

    a 
    photometer
    b 
    barometer
    c 
    viscometer
    d 
    interferometer

    Explanation:
    Subject: 
    GENERAL SCIENCE
    20.00% users answered right
    Correct Answer: d
    Comment · 0 · 
  • 48.
    The planet which completes one revolution in 88 days around the sun is:

    a 
    Mercury 
    b 
    Venus
    c 
    Mars
    d 
    Saturn

    Explanation:
    Subject: 
    GENERAL SCIENCE
    60.00% users answered right
    Correct Answer: a
    Comment · 0 · 
  • 49.
    The new name of the celestial body Xena-2003 UB 313 given by IAU is:

    a 
    Sires
    b 
    Iris
    c 
    Grabrili
    d 
    Daysomia

    Explanation:
    Subject: 
    GENERAL SCIENCE
    20.00% users answered right
    Correct Answer: b
    Comment · 0 · 
  • 50.
    What is the distance of the earth from the sun?

    a 
    107.9 million km
    b 
    142.7 million km
    c 
    146.6 million km
    d 
    149.6 million km
    Explanation:
    Subject: 
    GENERAL SCIENCE
    40.00% users answered right
    Correct Answer: d
    Comment · 0