Physics Online Quiz 2018 Questions And Answers, Free Mock Test (GK MCQ)
Physics Quiz
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Physics Quiz
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boost your knowledge and efficiency in the subject of Physics:
Question.1 Nuclear sizes are
expressed in a unit named
1.
Fermi
2.
angstrom
3.
newton
4.
tesla
Answer: 1
Question.2 Light year is a unit of
1.
time
2.
distance
3.
light
4.
intensity of light
Answer: 2
Question.3 Mirage is due to
1.
unequal heating of different
parts of the atmosphere
2.
magnetic disturbances in the
atmosphere
3.
depletion of ozone layer in the
atmosphere
4.
equal heating of different
parts of the atmosphere
Answer: 1
Get Here: 5
Tips To Complete Exam On Time
Question.4 Light from the Sun reaches us in nearly
1.
2 minutes
2.
4 minutes
3.
8 minutes
4.
16 minutes
Answer: 3
Question.5 Stars appears to move from east to west because
1.
all stars move from east to
west
2.
the earth rotates from west to
east
3.
the earth rotates from east to
west
4.
the background of the stars
moves from west to east
Answer: 2
Question.6 Pa(Pascal) is the unit for
1.
thrust
2.
pressure
3.
frequency
4.
conductivity
Answer: 2
Question.7 Planets do not twinkle because
1.
they emit light of a constant
intensity
2.
their distance from the earth
does not change with time
3.
they are very far away from the
earth resulting in decrease in intensity of light
4.
they are nearer to earth and
hence we receive a greater amount of light and, therefore minor variations in
the intensity are not noticeable
Answer: 4
Question.8 Metals are good conductors of electricity because
1.
they contain free electrons
2.
the atoms are lightly packed
3.
they have high melting point
4.
All of the above
Answer: 1
Question.9 Let a thin capillary tube be replaced with another tube of
insufficient length then, we find water
1.
will overflow
2.
will not rise
3.
depressed
4.
change its meniscus
Answer: 2
Question.10 If two bodies of different masses, initially at rest, are acted upon
by the same force for the same time, then the both bodies acquire the same
1.
velocity
2.
momentum
3.
acceleration
4.
kinetic energy
Answer: 2
Question.11 Pick out the scalar quantity
1.
force
2.
pressure
3.
velocity
4.
acceleration
Answer: 2
Question.12 Rectifiers are used to convert
1.
Direct current to Alternating
current
2.
Alternating current to Direct
current
3.
high voltage to low voltage
4.
low voltage to high voltage
Answer: 2
Question.13 out of the following, which is not emitted by radioactive substance
1.
Electrons
2.
Electromagnetic radiations
3.
Alpha particles
4.
Neutrons
Answer: 4
Question.14 Sound waves in air are
1.
transverse
2.
longitudinal
3.
electromagnetic
4.
polarised
Answer: 2
Question.15 Magnetism at the centre of a bar magnet is
1.
minimum
2.
maximum
3.
zero
4.
minimum or maximum
Answer: 3
Question.16 It is more difficult to walk on a sandy road than on a concrete road
because
1.
sand is soft and concreter is
hard
2.
the friction between sand and
feet is less than that between concrete and feet
3.
the friction between sand and
feet is more than that between concrete and feet
4.
the sand is grainy but concrete
is smooth
Answer: 2
Question.17 Of the following properties of a wave, the one that is independent
of the other is its
1.
amplitude
2.
velocity
3.
wavelength
4.
frequency
Answer: 1
Question.18 Lux is the SI unit of
1.
intensity of illumination
2.
luminous efficiency
3.
luminous flux
4.
luminous intensity
Answer: 1
Know Here: 5
Common Mistake Students Makes In Exam
Question.19 On a rainy day, small oil films on water show brilliant colours.
This is due to
1.
dispersion
2.
interference
3.
diffraction
4.
polarization
Answer: 2
Question.20 Materials for rain-proof coats and tents owe their water-proof
properties to
1.
surface tension
2.
viscosity
3.
specific gravity
4.
elasticity
Answer: 1
Check out: 9
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speed of light is fastest in vaccum and not in hydrogen.
ReplyDeleteyes bro,me too get that wrong
DeleteCan you guyz add more questions related to IGRUA ASAP?
ReplyDelete