Menu
Home / General Knowledge / Physics :: section - 4

General Knowledge :: Physics

Physics - Section 1
Physics - section-2
Physics - section-3
Physics - section-11
Physics - section-12
Physics - section-13
Physics - section-14
Physics - section-15
Physics - section-16
Physics - section-17
Physics - section-18
Physics - section-19
Physics - section-20
Physics - section-21
Physics - section-22
Physics - section - 4
Physics - section - 5
Physics - section - 6
Physics - section - 7
Physics - section - 8
Physics - section - 9
Physics - section - 10
  1. Who measured the velocity of light first ?

    2. A.

     Galileo
    B.

     Newton
    C.

     Romer
    D.

     Einstein

    View Answer

    Workspace

    Discuss Discuss in Forum

  2. Light houses are places with powerful lights to :

    3. A.

     Guide and resolve traffic jams in crowded metro-cities during nights
    B.

     Guide and help large crowds at religious gathering during nights
    C.

     Indicate to the incoming warships, the location of a harbour during night
    D.

     Guide and warn the ships coming from different directions in the ocean

    View Answer

    Workspace

    Discuss Discuss in Forum

  3. It is dangerous to observe Solar eclipse with naked eyes because

    4. A.

     Infrared radiations from sun burn our retina
    B.

     Ultraviolet radiations from Sun burn our retina
    C.

     All radiations from sun initiate chemical reactions in eyes
    D.

     Cosmic rays reach eyes more during the eclipse

    View Answer

    Workspace

    Discuss Discuss in Forum

  4. Formation of shadows can be explained by

    5. A.

     Rectilinear propagation of light
    B.

     Reflection
    C.

     Refraction
    D.

     Total internal reflection

    View Answer

    Workspace

    Discuss Discuss in Forum

  5. The locomotion of insects to the source of light is called :

    6. A.

     Phototropic
    B.

     Hydrotropic
    C.

     Phototactic
    D.

     Thermotactic

    View Answer

    Workspace

    Discuss Discuss in Forum

  6. Which is an example of Phototropism?

    7. A.

     Roots of a plant following water
    B.

     Plant bending toward the light
    C.

     Roots growing into the soil
    D.

     A venus flytrap capturing a fly

    View Answer

    Workspace

    Discuss Discuss in Forum

  7. Light travels fastest in

    8. A.

     Air
    B.

     Water
    C.

     Glass
    D.

     Diamond

    View Answer

    Workspace

    Discuss Discuss in Forum

  8. Light travels slowest in

    9. A.

     Glass
    B.

     Water
    C.

     Air
    D.

     Vacuum

    View Answer

    Workspace

    Discuss Discuss in Forum

  9. Light from the sun reaches us in nearly

    10. A.

     5 min
    B.

     4.30 hrs
    C.

     8 min
    D.

     5.30 hrs

    View Answer

    Workspace

    Discuss Discuss in Forum

  10. An image formed by a plane mirror, that cannot be obtained on a screen is called ________

    11. A.

     Virtual image
    B.

     Real image
    C.

     Inverted image
    D.

     Erect image

    View Answer

    Workspace

    Discuss Discuss in Forum

Java Programming Questions and Answers Interview Questions and Answers