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

Related Mcqs:

1. Who first measured the velocity of light?

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

   Submitted by: ABDUL HAYEE

2. Escape velocity of a rocket fired from the earth towards the moon is a velocity to get rid of the _______?

   A. Centripetal force due to the earth’s rotation
   B. Earth’s gravitational pull
   C. Pressure of the atmosphere
   D. Moon’s gravitational pull

   Submitted by: Rashid Mehmood

3. The planet that moves round the Sun at the highest speed is_________?

   A. Jupiter
   B. Venus
   C. Mars
   D. Mercury

4. Gales occur when the wind moves at the speed of _____ ?

   A. 35 km/h
   B. 55 km/h
   C. 75 km/h
   D. 100 km/h

   Submitted by: Ali Mallah

5. The difference in the duration of day and night increases as one moves from:_________?

   A. West to East
   B. East and west of the prime meridian
   C. Equator to poles
   D. None of these

   Submitted by: SHAFQAT ALI SIYAL

6. 1 light year = ?

   A. 9.5×10⁶ km
   B. 9.5×10⁹ km
   C. 9.5×10¹² km
   D. 9.5×10¹⁸ km

7. Television signals are converted into light signals by___________?

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

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

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

   Submitted by: Munwar Ali Sohu

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