General Science - Physics

Welcome to General Science – Physics MCQ series of GKToday. As of today January 22, 2020, this series has 590 Questions. You may purchase a PDF E-Book compilation comprising all these questions and their answers with explanation from this link.

1. Optical Fibre technology works on which of these principles of Physics?
[A] Bernoulli’s Principle
[B] Newton’s law of Motion
[C] Total internal reflection of Light
[D] Photoelectric effect

Show Answer

2. Which of the following is not a valid conservation law of classical Physics?
[A] Law of conservation of energy
[B] Law of conservation of current
[C] Law of conservation of angular momentum
[D] Law of conservation of charge

Show Answer

3. Electron microscope works on which of the following principles?
[A] Optical interference
[B] Wave Nature of electrons
[C] Motion of charged particle in electromagnetic fields
[D] Faraday’s law of Electromagnetic induction

Show Answer

4. Who among the following discovered X-rays?
[A] Marie Curie
[B] J.J Thomson
[C] W.C Roentgen
[D] James Chadwick

Show Answer

5. What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero?
[A] Remains constant
[B] Becomes zero
[C] Increases exponentially
[D] None of the above

Show Answer

6. Who among the following is credited for the discovery of ‘Expanding Universe’?
[A] Edwin Hubble
[B] Niels Bohr
[C] S Chandra Shekhar
[D] C.V Raman

Show Answer

7. Which of the following units is the smallest in terms of length?
[A] micron
[B] nanometer
[C] fermi
[D] angstrom

Show Answer

8. Which of the following is the unit of Impulse?
[A] N
[B] Ns
[C] N/s
[D] Ns2

Show Answer

9. Which one of the following has ‘ohm’ as its unit?
[A] Resistivity
[B] Conductivity
[C] Conductance
[D] Inductive Reactance

Show Answer

10. What is the S.I. unit for Luminous Intensity?
[A] mole
[B] ampere
[C] candela
[D] weber

Show Answer

Advertisement

Kindly help us to keep GKToday updated and error free. Use this form to report error or outdated information in questions. We shall rectify asap...