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PHYSICS P 12. HOW WAS IT??

PHYSICS P 12. HOW WAS IT??

  • HARD!

    Votes: 16 42.1%
  • hard but not that HARD!

    Votes: 9 23.7%
  • 50 50

    Votes: 3 7.9%
  • easy but not that EASY!

    Votes: 4 10.5%
  • EASY!

    Votes: 6 15.8%

  • Total voters
    38
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what was the answer to question 39? the one in which alpha particles were released at a rate of 100 s^-1
 
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was the acceleration 1.1? from the v-t graph question
the wave, radio or micro?
frequency of the stationary wave in the tube?
ans for the question in which a hand was supporting a block with 2 newton meters attached
and also, ans for the piston and compression of gas question
any one?
 
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thank you!!
what abt that polycrystalline and crystalline question?
and that question which had 15emf source. Dont remember the whole question
and which place would the alpha particle hit in an electric field?
and was the uncertainty 3%?
 
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thank you!!
what abt that polycrystalline and crystalline question?
and that question which had 15emf source. Dont remember the whole question
and which place would the alpha particle hit in an electric field?
and was the uncertainty 3%?

Yeah I got uncertainty 3 %
for the alpha particle, I think i chose C...
 
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Was the efficiency 8.3% or 83%?
And what was the answer to the LDR question?
What was the floating object one about? What was the answer?
And was the diffraction one 4 or 9?
 
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what was the ice and water one. I chose the option in which their speed is same and that the atoms of ice had more seperation than liquid. Is this correct or wrong???i dont remember the option
 
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what was the ice and water one. I chose the option in which their speed is same and that the atoms of ice had more seperation than liquid. Is this correct or wrong???i dont remember the option

yep i chose that too, ice expands so molecules are further apart, and both have the same temp, 0 degrees, so the avg ke of the molecules is the same too :)
 
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yep i chose that too, ice expands so molecules are further apart, and both have the same temp, 0 degrees, so the avg ke of the molecules is the same too :)

i hope its right, i thought a lot on that one :pP
 
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what about the polycrystalline and crystalline question?
was it C or D?
 
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what was the answer to the floating object one? i chose D viscous force is 0.
 
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