According to quantum theory of light, photons are _______?

Related Mcqs:

1. In radiation, which of the following has strong photons?

   A. X-Rays
   B. Gamma
   C. Microwave
   D. Electromagnetic

   Submitted by: Warraich

2. “Each electron in an atom must have its own unique set of quantum numbers” is a statement of_______________?

   A. Aufbau principle
   B. Pauli exclusion principle
   C. Hund’s rule
   D. Periodic law

   Submitted by: Mansoor Ul Haque

3. When white light is passed through a prism, it splits into __________ colours.

   A. 5
   B. 6
   C. 7
   D. 8

4. The speed of light is __________?

   A. 280,000 km/s
   B. 300,000 km/s
   C. 320,000 km/s
   D. none of these

   Submitted by: Jawad Bukhari

5. When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________?

   A. Visible
   B. Transparent
   C. Invisible
   D. opaque
   E. None of these

6. Moon light reaches to earth in___________seconds?

   A. 0.3 seconds
   B. 1.3 seconds
   C. 2.3 seconds
   D. 3.3 seconds

   Submitted by: Adv Imtiaz Ali

7. Who first measured the velocity of light?

   A. Einstein
   B. Newton
   C. Ole Roemer
   D. Galileo

   Submitted by: ABDUL HAYEE

8. Which term describes the emission of light by a living organism?

   A. Natural light
   B. Bioluminescence
   C. Illumination
   D. Mimicry

   Submitted by: Ashfaque Ali Khoso

9. 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

10. If the green leaves are placed under red light, their color will become________?

    A. Green
    B. Black
    C. Red
    D. Blue

    Submitted by: Syed Rameez ul Hassan