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A burned out bulb, a blocked eye piece, a dislodged mirror or your other eye is closed.
Test charge is always a test charge. The electric field does not depend on the test charge. Usually we assume the test charge to be one coulomb positive charge. Though you make it half, it would never affect the field around the primary charge
You see the bottom half of the object, and whatever you covered the top half with.
It wil come forth he who has understanding
If the speed of a moving body is reduced to half, its kinetic eneergy is reduced to 1/4 .
If only half your viewing field is lit, twist objective lenses until they click into place.
A burned out bulb, a blocked eye piece, a dislodged mirror or your other eye is closed.
Half of the Moon, just like Earth and the other planets, is more or less illuminated all the time. The half that is illuminated is the half that faces the Sun. The illuminated half continually changes as the Moon orbits and revolves. The exception is when the Earth gets between the Moon and the Sun, shading the Moon. (an eclipse).
No. Only half of the moon is illuminated at any one time. During a full moon, the half facing Earth is fully illuminated.
Half (50 percent) of the moon is illuminated by the sun at all times, just as half of earth is always illuminated.The thing that changes is: How much of the moon's illuminated half can we see from earth ?
Half (50 percent) of the moon is illuminated by the sun at all times, just as half of earth is always illuminated.The thing that changes is: How much of the moon's illuminated half can we see from earth ?
When the right half of the moon is illuminated it would be called first quarter. (That's when you see the Moon from the northern hemisphere.)
The moon. Half moon. OneHalfMoon.
The illuminated part
At that time, there is still exactly half of the moon illuminated by the sun. But from our position on earth, we can only see a small part of the illuminated half.
Like the Earth, the Moon is a sphere which is always half illuminated by the Sun, but as the Moon orbits the Earth we get to see more or less of the illuminated half.
Half of the Moon is always illuminated, except during a lunar eclipse. We see phases of the Moon when the half we can see doesn't match the half that's in sunlight.