if a negatively charged rod is brought near a negatively charged electroscope,

there will be no effect

the leaves will fall

the leaves will spread farther apart

the electroscopw will become positively charge

False

there will be no effect

When a negatively charged rod is brought near a negatively charged electroscope, the leaves of the electroscope will spread farther apart. This is because like charges repel each other.

To understand why this happens, we need to understand the basic principles of electricity. Like charges (in this case, negative charges) repel each other and try to move away from each other. When the negatively charged rod is brought near the negatively charged electroscope, the negative charges in the rod and the electroscope repel each other, causing the leaves of the electroscope to spread outwards.

To see this effect, you can set up an experiment with an electroscope and a negatively charged rod. First, charge the electroscope by bringing a negatively charged object (like a balloon rubbed on your hair) near it. This will cause the electroscope to become negatively charged. Then, bring the negatively charged rod near the electroscope, without touching it. As a result, you will notice that the leaves of the electroscope will spread farther apart.

It's important to note that if the electroscope is initially uncharged (neutrally charged), bringing a negatively charged rod near it would cause the leaves to collapse towards each other. This is because the negative charges from the rod attract the positive charges in the electroscope, neutralizing the overall charge.