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    Could someone explain to me the why the answers is D in the following question?
    http://prntscr.com/as9d0q

    Also I'm not sure how to do this one:
    http://prntscr.com/as9der
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    Sorry you've not had any responses about this. Are you sure you've posted in the right place? Here's a link to our subject forum which should help get you more responses if you post there.

    You can also find the Exam Thread list for A-levels here and GCSE here. :dumbells:


    Just quoting in Puddles the Monkey so she can move the thread if needed
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    (Original post by 1017bsquad)
    Could someone explain to me the why the answers is D in the following question?
    http://prntscr.com/as9d0q
    Can you see that C and D contradict each other? If the statement of C is true, then D is false or vice versus.
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    (Original post by 1017bsquad)

    Also I'm not sure how to do this one:
    http://prntscr.com/as9der
    Based on the formula of electric field strength for uniform electric field which is
     E = \frac{\Delta V}{\Delta d}
    where \Delta V is the electric potential difference.

    Using this analogy, we can deduce a similar formula for gravitational field strength.

    With these formulas, you should be able to show that the answer is
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