(Physics) General Science Question Part 02

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(Physics) General Science Question(PART02) Free PDF Download

Q26) The Laws of Electrolysis were proposed by –
Ans -: M Faraday

Q27) Light travels in a .
Ans -: Straight line

Q28) What is used as a cooling agent in most of the world’s commercial nuclear power plants?
Ans -: Water

Q29) Nature of sound wave is ?
Ans -: Longitudinal

Q30) 1 fermi unit is equal to –
Ans -: 10⁻¹⁵m

Q31) How many basic S.I. units are there?
Ans -: Seven

Q32) What is the principle on which a transformer works?
Ans -: Mutual Induction

Q33) The distance between Earth and Sun is termed as –
Ans -: 1 Astronomical unit

Q34) Potential energy of your body is minimum when you .
Ans -: Lie down on ground

Q35) What is the freezing point (temperature) of Pure water?
Ans -: 32 F

Q36) What is the unit of measurement of an Angle?
Ans -: Radian

Q37) Radio waves of constant amplitude can be generated with an .
Ans -: Oscillator

Q38) Hooke’s law is related to
Ans -: Elasticity

Q39) Sudden fall in barometer is indication of .
Ans -: Storm

Q40) Water moving up a straw is an example of .
Ans -: Capillary Action

Q41) The blue colour of the clear sky is due to .
Ans -: Dispersion of Light

Q42) What is a magnetic field’s direction within a magnet?
Ans -: From South to North

Q43) The experiment demonstrating the existence of electromagnetic wave was first conducted by
Ans -: Heinrich Hertz

Q44) The filament string in an electric bulb is made of which metal?
Ans -: Tungsten

Q45) Drag is the force exerted by fluids.
Ans -: Friction

Q46) The hydraulic brake used in automobiles is a direct application of .
Ans -: Pascal’s Law

Q47) The image formed by convex lens in a simple microscope is .
Ans -: Virtual & Erect

Q48) What kind of mirror is used in motor vehicles near the driver’s seat?
Ans -: Convex Mirror

Q49) & are present in the nucleus of an atom.
Ans -: Neutrons and protons

Q50) The size of atomic nucleus is of the order of .
Ans -: 10⁻¹⁵ m