Everyday Science MCQS Set-15 ( CSS FPSC SPSC )

Everyday Science MCQS Set-15 for preparation. ( MCQs PPSC OTS )

In a rechargeable cell, what kind of energy is stored within the cell?

A. Kinetic energy
B. Electrical energy
C. Potential energy
D. Chemical energy

Which colour of light shows maximum deviation when fast through a prism?

A. Red
B. Yellow
C. Violet
D. Green

The highest volume of gases in lower atmosphere is comprised of:

A. Nitrogen
B. Carbon dioxide
C. Hydrogen
D. Oxygen

Planck’s constant has the dimension of:

A. Force
B. Energy
C. Angular momentum
D. Linear momentum

Antacids are found in drugs that give relief to:

A. Acne
B. Eyesight
C. Headache
D. Stomach ache

Which of the following liquids has the least density?

A. Petrol
B. Mercury
C. Saltwater
D. Freshwater

The sharpness of a television is termed as its:

A. Colour
B. Clarity
C. Resolution
D. Graphics

Rectified Spirit is:

A. 100% Ethyl alcohol
B. 95% Ethyl alcohol
C. Tincture iodine
D. Methylated spirit

Which one has the highest value of specific heat?

A. Water
B. Lead
C. Copper
D. Glass

Purity of a metal can be determined by:

A. Conservation of mass principle
B. Boyle’s law
C. Pascal’s law
D. Archimedes Principal

Ionization energy of nitrogen is greater than that of oxygen because nitrogen has:

A. Smaller atomic radius
B. High nuclear charge
C. High bond dissociation energy
D. Stable half-filled 2P sub level

Which one among the following doesn’t have any effect on velocity of sound?

A. Temperature
B. Pressure
C. Density
D. Humidity

Heating of ore below its melting point in the absence of air is known as:

A. Smelting
B. Calcination
C. Roasting
D. Refining

The device used to convert solar energy into electricity is:

A. Galvanic Cell
B. Daniell Cell
C. Photovoltaic Cell
D. Electrochemical Cell

Which is a natural colloid?

A. Urea
B. Blood
C. Cane-sugar
D. Sodium chloride

A liquid disturbed by stirring comes to rest due to:

A. Surface tension
B. Density
C. Viscosity
D. Centripetal force

In addition to hydrogen, the other abundant element present on the sun’s surface is:

A. Oxygen
B. Neon
C. Argon
D. Helium

Pitch of Sound depends on:

A. Amplitude
B. Frequency
C. Velocity
D. Intensity

Heat stored in water vapour is:

A. Latent heat
B. Relative heat
C. Absolute heat
D. Specific heat

Small bubbles are perfectly spherical because of:

A. Pressure
B. Viscosity
C. Gravity
D. Surface tension

The spreading of scent in a room follows the law of:

A. Convection
B. Radiation
C. Radioactivity
D. Diffusion

Sound travels fastest in:

A. Vacuum
B. Water
C. Steel
D. Air

Which of the following phenomenon produces the colors in soap bubbles?

A. Reflection
B. Diffraction
C. Dispersion
D. Interference

A well cut diamond shines brightly because:

A. It emits light
B. of total internal reflection
C. It has many reflecting surfaces
D. of irregular reflection

Cylindrical lens are used to correct:

A. Colour Blindness
B. Myopia
C. Astigmatism
D. Hypermetropia

The image formed by a plane mirror is:

A. Real
B. Straight
C. Imaginary
D. Virtual

Which of the following liquid is most Viscous?

A. Milk
B. Water
C. Oil
D. Petrol

The colour of stars depends on their:

A. Radius
B. Atmospheric pressure
C. Temperature
D. Distance

Shaving mirrors are _____ mirror.

A. Plane
B. Concave
C. Convex
D. Parabolic

Tesla is a unit of magnetic:

A. Moment
B. Flux
C. Field
D. Induction

The phenomenon which causes mirage is:

A. Polarisation
B. Interference
C. Diffraction
D. Total internal reflection

Which types of mirror is used in the head lights of vehicles?

A. Plane mirror
B. Concave mirror
C. Parabolic mirror
D. Convex mirror

Electric current in a metal wire is due to the flow of:

A. Ions
B. Protons
C. Holes
D. Electrons

Electricity is transmitted over long distance because:

A. It is safer
B. It is fast
C. It is cheaper
D. There is less wastage of energy

A multimeter is used to measure:

A. Voltage
B. Resistance
C. Current
D. All of these

Which of the following gives the direction of motion of a practical at any given instant?

A. Phase
B. Loudness
C. Velocity
D. Frequency

The air becomes headed by:

A. Convection
B. Isolation
C. Radiation
D. Conduction

Which is associated with the Doppler effect?

A. Heat
B. Light
C. Magnesium
D. Sound

The total energy of revolving electron in an atom:

A. Can never be positive
B. Will always be positive
C. Can have any value above zero
D. Cannot be negative

Taj Mahal is greatly affected due to:

A. Sound pollution
B. Deforestation
C. Acid rain
D. Tourists

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