A.8 seconds
B.10 seconds
C.12 seconds
D.20 seconds
Related Mcqs:
- How much time does light take to reach the earth from the sun
- The time required for moon light to reach earth:
- If light source in front of our eye suddenly becomes bright, then:
- The time required by moonlight to reach the earth is:
- If the earth’s average surface temperature were to increase, the amount of radiation emitted from the earth’s surface would _________, and the wavelength of peak emission would shift toward _________ wavelengths.
- Solar radiation reaches the earth’s surface as __________.
- On the average, about what percentage of the solar energy that strikes the outer atmosphere eventually reaches the earth’s surface?
- What percentage of light reaching the earth is used in photosynthesis??
- A ray of light from the sun takes ______ minutes to reach the earth:
- In Brinell hardness testing the timer for loading is
