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AS Physics P1 MCQs Preparation Thread.
sorry but isnt the area for a trapezium 0.5*(sum of parallel sides)*height -
AS Physics P1 MCQs Preparation Thread.
the answer is B. but im getting 35m and not 25m.help anyone ! -
AS Physics P1 MCQs Preparation Thread.
it's B. from the formula P= F.V -
AS Physics P1 MCQs Preparation Thread.
the equation 9-(sin(17.45)*20kN)] * 40 = 120000 J should be the useful energy and not the heat dissipated..am i right? But the answer is A? why? -
AS Physics P1 MCQs Preparation Thread.
reading on digram 1 = 2+0.5+0.09 =2.59 mm reading on digram 2 = 0+0.0+0.14=0.14 mm (Zero Error) diameter= reading-error=actual reading diameter= 2.59-0.14=2.45 mm -
AS Physics P1 MCQs Preparation Thread.
How is I1>I2 ? calculation anyone ? the answer is A. -
AS Physics P1 MCQs Preparation Thread.
I thinks it's D . increasing and decreasing mass effects momentum and not the velocity; am i right? -
AS Physics P1 MCQs Preparation Thread.
Q3=>compare units. A is the answer as _/g(lamda) = _/ms-2 * m = _/m2s-2 = ms-1 . (unit for speed) Q7=> we know that V=u+at ; with v being final velocity u being initial velocity and at when an object is under a constant acceleration for t seconds. ANS:C Q8=> V2=u2 + 2 as where u=0 a=9.81... -
AS Physics P1 MCQs Preparation Thread.
Q13 => clockwise moment=anticlockwise 20*3=5*2+10*2 60=30 hence resultant moment of the three forces is 30 Nm Clockwise. Magnitude being 30 Nm. Q16 => Power is given by the gradient of the line. where steepest will have the maximum energy generated. 40-10/1 = 30W -
AS Physics P1 MCQs Preparation Thread.
the answers B. But how? any description will be appreciated.thank you. and can anyone tell the effects of changing any one one value will have on other values in d.sin(teta)=n.lamda -
AS Physics P1 MCQs Preparation Thread.
it says 'when the sample contracts it follows the same force extension pattern;hence definitely not plastic' X is the limit of proportionality and Y is the elastic limit. -
AS Physics P1 MCQs Preparation Thread.
can anyone explain the concept and provide a solution to this question. ANS: B . J-11/Var 13 -
AS Physics P1 MCQs Preparation Thread.
the answer is B;calculation anyone? -
AS Physics P1 MCQs Preparation Thread.
why did u take the weight as 10 N? -
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AS Physics P1 MCQs Preparation Thread.
Q8 => as there is air resistance acceleration will decrease at first until the weight=Air resistance; Terminal Velocity. Q9 => initial speed is equal the horizontal component speed of projectile motion as vertical component is ZERO. Horiz Comp.=Horizontal Distanc/Time for time we know for... -
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AS Physics P1 MCQs Preparation Thread.
Area under curve can be regarded as energy stored or lost.But at the same time can also be regarded as WORKDONE. the answer is B.I know what the reason for answer to B is.But Why not D ? -
AS Physics P1 MCQs Preparation Thread.
the answer is C.but is it cause it's given that the material is same or is there some proper working?? -
Is anyone good with pressure/density related mcqs in AS Physics?? I need to get 3 mcqs answered?
in Question 2 depths are equal hence we know, height will now be h/2 and mass will also be m/2. hence PE= (m/2) . (g) . (h/2) = mgh/4 :)