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In the photoelectric effect, why is the kinetic energy of the electrons independent of the intensity of light?

In our situation, the stopping potential doesn’t let any electron to pass. When we increase the frequency of incident light, the electrons get more energy. We know it from equation E=hf. When electrons gain ...
RK
Answered by Rafal K. • Physics tutor
9615 Views

What is the best way to learn vocabulary? I am currently really struggling with remembering all the words.

Everyone learns in different ways, so it would be good to find out what sort of learner you are. Maybe you find images or pictures helpful? If this is the case, you could associate each word with a picture, ...
TD
2488 Views

You are given a right triangle ABC with angle ABC = 30 degrees and AB equal 7. Then AC and BC are then extended to points D and E so that EDC is a right triangle. Find length DE if BD = 15

First BC needs to be found. That is done by dividing AB by cosin ABC. Then CD is found by subtracting form BD. After that the angle ACB is 90-ABC (because ABC is right triangle). Then because AE and BD inter...
AE
Answered by Andrey E. • Maths tutor
5518 Views

How does the writer use langauge to create suspense in Heroes?

Rober Cormier uses language to create suspense in Heroes through the first person narrative of the main character. For example 'at that moment, I knew that I was really annonymous, that I wasn't Francis Jose...
IR
3590 Views

why do ionic compounds conduct electricity when in molten state or solution but not when solid?

this is because ionic compounds have positive and negative ions that are only allowed to move when the compound is liquid or when dissolved in solution. in solid state they are in their fixed position and th...
MR
Answered by Muzaina R. • Chemistry tutor
11673 Views