Physics Quiz for Competitive Exams (Part – II)

Q1. The wave of the theory of light is based on
(a) the laws of reflection
(b) the laws of refraction
(c) the inverse square law
(d) Huyghens’ principle

Q2. The unit of magnetic permeability is
(a) Henry/meter
(b) Henry
(c) Weber
(d) Weber/meter

Q3. The domain theory of magnetism applies to
(a) aluminium
(b) copper
(c) silver
(d) cobalt

Q4. The paramagnetic theory of magnetism applies to
(a) nickel
(b) mercury
(c) iron
(d) platinum

Q5. Due to temperature variation along a conductor, potential variation occurs along it. This phenomenon is known as
(a) Thomson effect
(b) Joule effect
(c) Seebeck effect
(d) Peltier effect

Q6.Where does the gas that gives life to humans come from?
(a)Carbon monoxide
(b) From metal oxides
(c) Ground-absorbed carbonate
(d) From water

Q7.Uses of Transformer
(a) To step up DC voltage
(b) To step up or step-down AC voltages
(c) Converting AC into DcPascal’s law
(d) Converting DC into AC

Q8.Who invented electromagnetic theory?
(a) Thomas Alva addition
(b) J. J. Thomson
(c) Michael Faraday
(d) Michael Faraday

Q9.Principle of fuse is
(a) Heating effect of electricity
(b) Magnetic effect of electricity
(c) Chemical effect of electricity
(d) Mechanical effect of electricity

Q10.First nuclear reactor was built by?
(a) Rutherford
(b) Fermi
(c) Newton
(d) Einstein

Q11.Which of the following has the highest velocity of sound?
(a) Wood
(b) Steel
(c) Water
(d) Air

Q12.Motor cars smoke contains cancer causing gas?
(a) Carbon monoxide
(b) carbon dioxide
(c) Sulphur dioxide
(d) hydrocarbon

Q13.What is the hardest substance of nature?
(a) Platinum
(b) Iron
(c) Diamond
(d) Silver

Q14.What is seismograph used to detect?
(a) Tidal waves
(b) Landslide
(c) Volcanoes
(d) Earthquake

Q15.Faraday’s rule is related?
(a) By electrical dissemination
(b) By electrical decomposition
(c) By pressure of gases
(d) Through amputation

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