1 light year = ?

Related Mcqs:

1. A light year is a unit of ?

   A. Time
   B. Energy
   C. distance
   D. Mass

2. Television signals are converted into light signals by___________?

   A. Optical fiber
   B. Transistor
   C. Decoder
   D. Photo diode
   E. None of these

3. UV light falls in the category of___________?

   A. Ionizing Radiations
   B. Non Ionizing Radiation
   C. Visible light
   D. None

4. In a photocell light energy is converted into?

   A. potential energy
   B. chemical energy
   C. heat energy
   D. electrical energy

   Submitted by: Malik Asghar Hussain

5. The _____ is the largest natural source of light?

   A. Sun
   B. Moon
   C. Star
   D. None of these

   Submitted by: Rafi Umar

6. The light rays used for eliminating bacteria?

   A. X-rays
   B. infrared rays
   C. microwave radiation
   D. ultra-violet radiation

   Submitted by: Malik Asghar Hussain

7. A clouding that develops in the lens of the eye or in its envelope obstructing the passage of light is known as________?

   A. Glaucoma
   B. Hemophilia
   C. Cataract
   D. Diphtheria

   Submitted by: Aamir Hussain Laghari

8. Who said that light is made of corpuscles/particles?

   A. Maxwell
   B. Einstein
   B. Newton
   D. Huygein

   Submitted by: Munwar Ali Sohu

9. Tyndall effect is related to the ______ of light?

   A. Reflection
   B. Dispersion
   C. Scattering
   D. Refraction

   Submitted by: Malik Asghar Hussain

10. Which of the following phenomena of light are involved in the formation of a rainbow?

    A. Refraction
    B. Dispersion
    C. Total internal reflection
    D. All of the above

    Submitted by: Safdar Abbas