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. 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...

9. SI unit of light is _________ ?

   A. watt B. Pascal C. Candela D. Joule Submitted by: Shahbaz Jiskani...

10. In the structure of fiber, the light is guided through the core due to total internal:

    A. Reflection B. Refraction C. Diffraction D. None of these Submitted by: Areesha Khan...