The word focus means .

A. to reflect light
B. to refract light
C. to spread light apart
D. to bring light together

photocells convert light energy to electricity

its a 5.5 n

glad that

hi,

what occurs during a solar eclipse?

there are small tides across earth.

the moon is between earth and the sun.

p.s. im not sure if the first answer is correct because during a solar ecliphse there are spring tides and i dont know if they are the same.

force required to detach it is given by

charges are taken to be fundamental charge

now we have

so above is the minimum distance at which it will detach