The speed of light is __________?

Related Mcqs:

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

   A. Decrease B. Increase C. Remain the same D. First decrease then increase Submitted by: WIQAR AHMAD...

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

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

3. The light of distant stars is affected by __________ ?

   A. The earth’s atmosphere B. Interstellar dust C. both A and B D. None of these Submitted by: Rashid Mehmood...

4. A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to __________?

   A. Remain unaffected B. Fall away from the train C. Fall towards the train D. Fall away from or towards the train depending upon the speed...

5. Clocks, which moves with the velocities comparable with the velocity of light, run ?

   A. fast B. slow C. equal to the velocity of light D. with zero velocity...

6. A light year is a unit of ?

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

7. 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...

8. 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...

9. 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...

10. The process of splitting water molecules in the presence of light energy is called_________?

    A. Electrolysis B. Photolysis C. Radiolysis D. Thermolysis Submitted by: Malik Asghar Hussain...