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a plano convex lens of absolute r.i.= 2  lies in a medium of r.i.=3 .a ray of light is incident at the centre of the convex side of the lens at the lens at an angle of 2 degrees.wot will b the angle that the emergent ray makes with the horizontal line passing thru the centre of the lens? the ans given is 2/3 degrees,but i cant figure out how they reached that....
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an induced current is caused in a circular ring due to change in magnetic flux......
it is caused due to a time varying magnetic field......
as such,there are no such particular points which can be said to be at different potentials at any point of time....
this is because ourscale of measurement is not small enuf to measure the small time gap between the chamges in potential of the points.....
as such,all we get is a continuous change of emf through the ring which causes the induced current.....
if the time scale was adequate enuf to measure minute gaps in time,i suppose we cud hav obtained which are the points on the circular ring which get affected by the varying magnetic field first and give rise to a potential difference,causing induced current......its kind of abstract in the sense that we dont get any fixed points which have a difference in potential.....rather we only get a sense of direction of the current or induced emf.....
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cud u pls tell me how u approached the problem...
the ans given is 7 though....
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if z1 satisfies |z1 - 1|=1 and z2 satisfies | z - 4i|=1,then |z1 - z2|max - |z1 - z2|min=?
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0.004617 moles of NaNO3 requires 4.04 moles of reducing agent to get reduced to NH3.what is the n factor of the reducing agent.pls show the calculations.
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let f(x,y) = xy2 ;if x and y satisfy x2 + y2 = 9,then find the minimum value of f(x,y). pls show the method.
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let g(x) = 3x 2 - 4  x+1,whn x is less than 1 = ax+b, whn x is greater than or equal to 1 if g(x) is differentiable and continuous for all numbers,then find a and b.
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submarines,coz they can move in stealth.....
orkut or facebook?
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anoyher one of my favs.....
you'r beautiful by james blunt...
My life is brilliant.
My love is pure.
I saw an angel.
Of that I'm sure.
She smiled at me on the subway.
She was with another man.
But I won't lose no sleep on that,
'Cause I've got a plan.
You're beautiful. You're beautiful.
You're beautiful, it's true.
I saw you face in a crowded place,
And I don't know what to do,
'Cause I'll never be with you.
Yeah, she caught my eye,
As we walked on by.
She could see from my face that I was,
flyin high,
And I don't think that I'll see her again,
But we shared a moment that will last till the end.
You're beautiful. You're beautiful.
You're beautiful, it's true.
I saw you face in a crowded place,
And I don't know what to do,
'Cause I'll never be with you.
You're beautiful. You're beautiful.
You're beautiful, it's true.
There must be an angel with a smile on her face,
When she thought up that I should be with you.
But it's time to face the truth,
I will never be with you.
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the lyrics 4 evanessence's my immortal.....
one of my favourites....
I'm so tired of being here
Suppressed by all my childish fears
And if you have to leave
I wish that you would just leave
'Cause your presence still lingers here
And it won't leave me alone
These wounds won't seem to heal
This pain is just too real
There's just too much that time cannot erase
[Chorus:]
When you cried I'd wipe away all of your tears
When you'd scream I'd fight away all of your fears
And I held your hand through all of these years
But you still have
All of me
You used to captivate me
By your resonating light
Now I'm bound by the life you left behind
Your face it haunts
My once pleasant dreams
Your voice it chased away
All the sanity in me
These wounds won't seem to heal
This pain is just too real
There's just too much that time cannot erase
[Chorus]
I've tried so hard to tell myself that you're gone
But though you're still with me
I've been alone all along
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pls rate me if u find d ans satisfying....
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luk,d main cause of using a shunt is dat the galvanometeris an extremely sensetive instrument dat cant handle high current passing thru it,it can get damaged...
so to convert it to a ammeter,one has to attach a resistance in shunt to it so that less current passes thru d galvanometer and it doesnt get damaged....
and when a galvanometer is converted to an ammeter in such a manner,then the scale on the galvanpmeter is altere according to the value of the resistance used,so that the converted galvanometer shows the correct value of current although nly a fraction of the total current passes thru it...
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