Nature Physics Solved MCQs
Physics Solved Paper
Nature Physics Solved MCQs Set 1
Q. Radiocarbon is produced in the atmosphere as a result of
A. collision between fast neutrons and nitrogen nuclei present in the atmosphere
B. action of ultraviolet light from the sun on atmospheric oxygen
C. action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere
D. lightning discharge in atmosphere
Answer: Option A
Q. It is easier to roll a stone up a sloping road than to lift it vertical upwards because
A. work done in rolling is more than in lifting
B. work done in lifting the stone is equal to rolling it
C. work done in both is same but the rate of doing work is less in rolling
D. work done in rolling a stone is less than in lifting it
Answer: Option D
Q. The absorption of ink by blotting paper involves
A. viscosity of ink
B. capillary action phenomenon
C. diffusion of ink through the blotting
D. siphon action
Answer: Option B
Q. Siphon will fail to work if
A. the densities of the liquid in the two vessels are equal
B. the level of the liquid in the two vessels are at the same height
C. both its limbs are of unequal length
D. the temperature of the liquids in the two vessels are the same
Answer: Option B
Nature Physics Solved MCQs Set 2
Q. Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to
A. the heating effect of current alone
B. hysteresis loss alone
C. both the heating effect of current and hysteresis loss
D. intense sunlight at noon
Answer: Option C
Q. Mirage is due to
A. unequal heating of different parts of the atmosphere
B. magnetic disturbances in the atmosphere
C. depletion of ozone layer in the atmosphere
D. equal heating of different parts of the atmosphere
Answer: Option A
Q. Light from the Sun reaches us in nearly
A. 2 minutes
B. 4 minutes
C. 8 minutes
D. 16 minutes
Answer: Option C
Q. Stars appears to move from east to west because
A. all stars move from east to west
B. the earth rotates from west to east
C. the earth rotates from east to west
D. the background of the stars moves from west to east
Answer: Option B
Q. Pa(Pascal) is the unit for
A. thrust B. pressure
C. frequency D. conductivity
Answer: Option B
Nature Physics Solved MCQs Set 3
Q. Planets do not twinkle because
A. they emit light of a constant intensity
B. their distance from the earth does not change with time
C. they are very far away from the earth resulting in decrease in intensity of light
D. 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: Option D
Q. What are primary colors?
A. Color of the rainbow
B. Color in the spectrum of the white light
C. colors which cannot be produced
D. color found in nature
Answer: Option C
Q. Air bubble in water shines because of the phenomenon of
A. Dispersion
B. Refraction
C. Diffraction
D. Total internal reflection
Answer: Option D
Q. Sun and the other stars are virtuously huge nuclear explosion chambers producing a large amount of head and light yet, we do not hear any of the explosions because
A. Heat and light are electromagnetic
B. Sound waves get attenuated completely before they reach the earth
C. the process involved in the interior of the sun and the starts relate to atomic and subatomic particles and not molecules and their vibration
D. the outer space is an absolute vacuum
Answer: Option D
Nature Physics Solved MCQs Set 4
Q. The advantage of AC over DC is that
A. it contain more electrical energy
B. it is free from voltage fluctuation
C. its generation coats much less
D. it can be transmitted over long distances with minimum power loss
Answer: Option D
Q. Which of the following device is use to step down the voltage of alternating current?
A. induction cool
B. Transformers
C. Transistor
D. Rectifier
Answer: Option B
Q. The spherical shape of a small drop of a rain is due to
A. Viscosity
B. Surface tension
C. atmospheric pressure
D. gravity
Answer: Option B
Q. The blue color of sky can be attributed to
A. differential scattering of the sunlight by the atmosphere
B. Total internal reflection of the sunlight by the atmosphere
C. Absorption of sunlight
D. Refraction of sunlight by the atmosphere
Answer: Option A
Q. Which one of the following sets of properties are relevant for an electrical fuse wire needed for normal application?
A. Thick wire, high melting point alloy, short length
B. thick wire, low melting point alloy, large length
C. Short length, low melting point alloy, thin wire
D. Large length, low melting point alloy, thin wire
Answer: Option A
Nature Physics Solved MCQs Set 5
Q. Ice floats on water because the density of Ice is less than that of water, Out of the following what part of giant icebergs remains above water?
A. 1/10
B. 1/4
C. 1/2
D. ¾
Answer: Option B
Q. Which one of the following colors has the longest wavelength?
A. Green
B. Yellow
C. Blue
D. Red
Answer: Option D
Q. Which one of the following can be used to focus sunlight?
A. Plan mirror
B. Concave lens
C. Concave mirror
D. Convex mirror
Answer: Option C
Q. Which one of the following is a good conductor of electricity?
A. PVC
B. Glass
C. Rubber
D. Graphite
Answer: Option D
Nature Physics Solved MCQs Set 6
Q. The tendency of a liquid drop to contract and occupy minimum area is due to
A. Surface tension
B. Viscosity
C. Density
D. Vapor pressure
Answer: Option A
Q. Choke coil is coil of
A. High resistance and high inductance
B. Low resistance and high inductance
C. High resistance and low inductance
D. Low resistance and low inductance
Answer: Option B
Q. Conductors, insulators and semi- conductors differ from each other due to property of
A. ability of the current of carry
B. formation of crystal lattice
C. binding energy of their electrons
D. mutual width of their energy gaps
Answer: Option D
Q. On which principle dose the tape- recorder function?
A. Magnetic Field
B. Electrovalence
C. Gay music’s law of combining volume
D. Boyle’s Law
Answer: Option A
Nature Physics Solved MCQs Set 7
Q. When a constant force is applied to a body it move with uniform
A. Momentum
B. Velocity
C. Speed
D. Acceleration
Answer: Option B
Q. The silvered surface of thermos flask prevents transfer of heat by
A. Conduction
B. Convection
C. Reflection
D. Radiation
Answer: Option D
Q. When wind blows at high velocity roof tops are blown off because pressure
A. Outside is more than inside the roof
B. inside is more than outside the roof
C. Increases due to wind velocity
D. Is exerted by air from outside
Answer: Option B
Q. Tube light works on the principle of
A. Chemical effect of current
B. Heating effect of current
C. Magnetic effect of current
D. Discharge of electricity through gases
Answer: Option D
Q. in a refrigerator, cooling is produced by
A. The Ice is deposits on the freezer
B. The evaporation of a volatile liquid
C. The sudden expansion of a compressed gas
D. Increases stability
Answer: Option B
Nature Physics Solved MCQs Set 8
Q. On earth a removed from an electric bulb to prevent
A. Oxidation of tungsten filament
B. Bursting of bulb
C. Loss of light due to absorption
D. None of the above
Answer: Option A
Q. A person climbing a hill bends forward in order to
A. Avoid slipping
B. Increases speed
C. Reduce fatigue
D. Increases stability
Answer: Option D
Q. On earth a moving body ordinarily comes to rest by it self because of the
A. Law of inertia
B. Forces of friction
C. Conservation of momentum
D. Gravity
Answer: Option B
Q. When the door of an operating refrigerator is opened the temperature of the room will
A. Decreases
B. Remain unchanged
C. Fall down immediately
D. increases
Answer: Option D
Q. An electric motor is used to convert
A. Electrical energy into mechanical energy
B. Mechanical energy into kinetic energy
C. Mechanical energy into electrical energy
D. Higher voltage to lower voltage
Answer: Option C
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