Physics Quiz (Light) 1 for SSC Exams

If you are preparing for Government Recruitment or Entrance exams, you will likely need to solve a section on General Awareness. Physics (Light) Quiz 1 for SSC & Railways Exams will help you learn concepts on important topics in General Knowledge - Physics. This Physics Quiz 1 is important for exams such as SSC CGL, SSC CHSL, SSC CPO, SSC Stenographer, Railways Exam etc.

1. For the illumination or visibility of an object light incidents upon it for
   A. 1/3 sec
   B. 1/6 sec
   C. 1/10 sec
   D. 1/8 sec
2. Light transmits as an
   A. Electromagnetic wave
   B. Transverse wave
   C. Longitudinal wave
   D. More than one option are correct
3. Speed of light depends upon
   A. Independent of any medium
   B. Refractive index of medium
   C. Structure of medium
   D. None of these
4. speed of light in vacuum/speed of light in medium is called
   A. Refractive index
   B. Reflective index
   C  Index of refraction
   D. More than one options are correct
5. Light form the sun reaches the earth's surface in
   A. 8 min 25 sec
   B. 8 min 19 sec
   C. 9 min 19 sec
   D. 8 min 8 sec
6. Reflected light from the moon takes how many second to reach the earth's surface
   A. 1.50 sec
   B. 1.28 sec
   C. 1.90 sec
   D. 2.56 sec
7. Rectilinear propagation of light
   A. Formation of various type of shadows.
   B. Formation of image through a pin hole camera
   C. Occurrence of solar and lunar eclipses-
   a) Either a and b
   b) None of these
   c) a,b and c
   d) Either a and c
8. Quantum theory was given by
   A. Planck in 1900
   B. Planck in 1905
   C. Planck in 1910
   D. Planck in 1890
9. If light is point source then shadow formed
   A. Umbra
   B. Penumbra
   C. Both
   D. None of these
10. The speed of light is __________?
    A. 280,000 km/s
    B. 300,000 km/s
    C. 320,000 km/s
    D. none of these

Answers:

1. B 
2. A 
3. B 
4. D 
5. B 
6. B 
7. C 
8. A 
9. A
10.  B