Recently Active General Physics Questions

What is the angle between (vector P + vector Q) and (vector P - vector Q)? how to calculate it???????please help ...

Hi! Everyone.... We have our exams on 15th May for the reshuffling of batches. Wanna be in the supreme batch..... So, will only solving problems from FIITJEE Study material help? or suggest me some good books please? This tim ...

a-main scale divisions n-no of vernier divisions where n vernier scales coincide wid n-2 main scale divisions I.a=1mm n=20 II.a=0.5 mm, n=10 III.a=0.5mm , n=20 IV.a=1mm, n=100 find least count in each case. ...

*Image* a vector along horizontal 'ma' i need its component up the incline,it can be done in two ways & i get two answers 'ma cos θ' and 'ma/cos θ' i was wondering which is correct and why ? ...

1) *Image* ------------------------------------------------------------------------------------------ 2)just a doubt.... *Image* *Image* my doubt is shud'nt it be 4 common tangents ??? ...

A physical quantity x is being calculated by using the formula x = yz . In a particular set of values , the value of y is measured with an error of +10% , whereas the value of z is measured with an error of -10% . For this pa ...

1 . *Image* A plane monochromatic light wave of intesity I 0 falls normally on the surfaces of the opaque screens in the figure here . Find the intensity of light at the behind the blackened points of the screens . ...

Suppose a circular string with linear mass density U and radius R rotates with an angular speed W.A pulse moves on it with some velocity Establish v = WR ( where v means the velocity of any point on the string) ...

1 . *Image* A particle of mass " m " rests on a straight groove along which it is constrained to move . The mass is attached to a vertical rubber band suspended froma rigid support . Initially , the band is of its natural len ...

What exactly an angle is[1]....since it is dimensionless we know its value should remain same in all units!...so certainly we cant say it is dimensionless.If not dimensionless then what it is??.... say cheese ...

Consider a rectangular basin with a very wide mouth. When a tap above the basin is opened, it fills in time T1. With the basin filled completely and the tap closed, opening the plug at the bottom drains the sink in time T2. W ...

I am joining South Delhi Fiitjee, will it be better to crack jee with a good rank? ...

Is strain a physical quantity? ...

can sumbody pleaz tell me what does thegrand unification theory says........ ...

*Image* *Image* NOTE: Background is WHITE! ...

Happy Saraswati Puja to one and all.... May Goddess Saraswati Bless you with knowledge and Wisdom..... ...

Please tell me which one of the following is the best to prepare for IIT-JEE (i) Bansal classes (ii) Resonance (iii) Fiitjee (iv) Brilliant Tutorials (v) Narayana Thanks in Advance Rahul Mishra....:P ...

AIEEE Papers with solution 2010-2002 Arihant e-books for Free Brilliant-tutorials Simulator Test Series For IIT JEE BITSAT Mock Papers from Brilliant Tutorials IIT JEE Question Bank from Quest Quest Tutorials for Physics Chem ...

sir i want to state that my application no for aieee 2011 is 737508.i have forgotton to put my left hand thumb impression in the form.what can i do now >????????????????????????????????????plzzzzzzz hlppppppppppppppppppp ...

we know that a body can't exceed speed of light but can be just equal to it..i.e. 99.7% of speed of light... we have not achieved that but ..it is possible...now........let it is achieved ...and a super spacecraft is moving w ...

Can we prove the different identities in trignometry? Like sin(A+B) = sinAcosB + cosAsinB and so on. I STUDY IN CLASS IX AND I WANT TO PREPARE FOR IIT. WHAT SHOULD I DO? PLS. GUIDE ...

can anyone upload narayana part test 4...... question paper .i've got 3 part test papers ......it will be very helpful ...

uploading physics of paper 2 first of all- more will follow if everyone is interested *Image* *Image* *Image* *Image* *Image* *Image* *Image* *Image* ...

1000+40+1000+30+1000+20+1000+10 = ? ...

1.species having highest electron affinity: a)O b)F- c)Cl- d)O- ans given O,shudnt it be O-? adding more.. 2.if a+3b+2c=12,then max value of 6bc(1+a)+a(3b+2c) is a)112 b)115 c)102 d)92 ...

what is 100 + 110 ? cant we say its 210 ? 110 also has 2 s.f right ? the rule is that ans should be having same s.f as min. s.f num .. this is the result given by wiki --- http://en.wikipedia.org/wiki/Significance_arithmetic ...

Tommorow its GMO....... Is anyone prepared? ...

1. Prove that a ray of light passing through the principal focus after reflection will go parallel to the principal axis..... ...

Can someone please provide me the syllabus for fiitjee talent reward exam 2010 for class Xth. Please! ...

I WANT TO KNOW THAT IS IT TRUE THAT TIME VARIES FOR DIFFERENT PlACES around earth or any other place For e.g. satellites revolve around EARTH ....they are used for gps systems...each satellte has its own clock ...on his journ ...