Recently Active Physics Questions

HCV pg 131,, Obj-1 Q.10 ... Is the answer correct .. Shouldnt it be (d) ??? ...

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if a particle of mass 2 g is located at origin and the force varies as the given relation F(x)=9x4/5+ b x Find the value of b after time t = 32 sec ...(IT IS MY OWN Q... if there is any mistake pls forgive me) ...

a tennis ball and tennis racket are tied together by a massless inextensible string. the combination is thrown through air so that the tennis racket tumbles. as the racket tumbles,it sometimes pulls the string taut, while at ...

a water bucket attached to a rope is spun in a vertical radius `r`. suppose the bucket has mass `m` and that the bucket can be aprroximated as a point mass at the end of the rope. the rope breaks when the bucket is moving ver ...

a jug contains 15 glasses of juice. when u open the tap at the bottom, it takes 12 secinds to fill a glass with juice. if u leave the tap open, how long will it take to fill the ramaining 14 glasses and thus empty the jug ? ...

two thin symmetrical lenses of different nature have equal radii of curvature R=20 cm.the lenses are put close together and immersed in water. the focal length of the system is 24 cm. find the difference between the refractiv ...

a paralle beam of light falls normally on the first face of a prism of small angle. at the second face it is partly reflected and partky transmitted, the reflected beam striking the first face again, and emerging from it in a ...

a ship sailing from sea into a river sinks X mm and on discharging the cargo rises by Y mm.on proceeding again into the sea, the ship raises by Z mm. assuming ship sides to be vertical at water line, find the specific gravity ...

x rays of wavelength .140 nm are scattered frm a block of carbon .wat ll be wavelngth of x ray scattered at 90 ° a).140 nm b).142 nm c).144 nm d).146 nm ...

wats fraunhofer diffraction experimnt ...

The metre is defined as the distance travelled by light in 1/299,792,458 second.why didn't people choose some easier number such as 1/300,000,000 second?why not 1 second?? ...

in the adjacent circuit ,A n B represent two inputs n C represents d output *Image* the circuit represents A) nor gate b)and gate c0nand gate d)or gate i dunno how to see d inputs n outputs in logic gates so plz gimme a clear ...

ANYONE ON THE FORUM WHO HAS PHYSICS SPECTRUM OF JUNE 2008 HAVING MATERIAL ON"MEASUREMENTS IN PHYSICS"??????????? ...

post the solution of hcv-1 pg-115 q.21(b) ...

post the solution of hcv-1 pg-115 q.no.22(b),(c),(d) ...

y friction increases on over-polishing a surface ??? ...

A cylindrical tube open at both ends has a fundamental frequency n in air. The tube is dipped vertically in water so that half of it is in water . The fundamental frequency of air column is a) n b)n/2 c) 3n/2 d) 3n/4 ...

*Image* ok.....no prob. of lack of HCV.i am discussing the concept i m having doubt. plz tell the horizontal forces acting on any one of the boy ...

5. If x, n and a denote the displacement, the velocity and the acceleration of a particle executing simple harmonic motion of time period T, then, which of the following does not change with time ? (1) a2T2 + 4p2n2 (2) aT/x ( ...

*Image* plz tell the horizontal forces acting on any one of the boy ...

how to find velocity of electron around a uniform positive charge wire where linear charge is lamda ...

for 2 coherent sources , I net =(√I1 + √I2)2 wen path diff = 0 now take these 2 and separate them like interference exp , you get max , min but avg intensity remains I1 + I2 now if u put these 2 sources together , ...

1) It has been calculated tat the force of attraction bet the moon and the sun is twice as tat of moon wit the earth. Then why does the moon not revolve around the sun? 2)Suppose the moon and sun are on the same side of a par ...

Two swimmers can swim 10m/s and 12 m/s in placid water A river is flowing at the rate of 15m/s a) What is the minimum time difference for them to cross the river? b) If both cross the river in the same time, what is the minim ...

is it so that the whether we write units of a quantity as either m/s2 or rad2m/s2 ...bothe are same. is it so??????? ...

in HCV(circular) exercise q.no.23 why don we take tension on the kids ...

SOLVE HCV-1 PG-115 Q.19(C) ...

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