The speed of light with the rise in the temperature of the medium____________?

Related Mcqs:

1. 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

2. With the rise in temperature, metals conductivity____________?

   A. Remains same
   B. Increases
   C. Decreases
   D. None of these

   Submitted by: Muhammad Mumtaz Haider

3. Despite the fluctuation in human body temperature. The temperature of human body remains at _________?

   A. 35 °C
   B. 37 °C
   C. 42 °C
   D. 54 °C

   Submitted by: Shahbaz Jiskani

4. What are the primary colors of Light?

   A. White, Black, Blue
   B. Red, Yellow, Blue
   C. Red, Orange, Blue
   D. Red, Green, Blue

5. A light year is a unit of ?

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

6. When a person enters a dark room from bright light he is not able to see clearly for a little while because the?

   A. Eye is unable to adjust itself immediately
   B. Retina becomes insensitive momentarily
   C. Iris is unable to dilate the pupil immediately
   D. Distance between the lens and retina take time to adjust

7. Which one of the following wavelengths of light is most effective in photosynthesis?

   A. Blue
   B. Green
   C. Orange
   D. Yellow

   Submitted by: Malik Asghar Hussain

8. 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

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