Recently Active General Physics Questions

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) ...

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"??????????? ...

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 ...

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When a screw guge is completely closed , zero of circular sclae is 7 diovisions above the reference line of graduation . If L.C. of screw gauge is 10-3 cm , the zero error is?? a) -7*10-3cm b)+7*10-3cm c)-0.007mm d)+0.007mm ...

wat is multimeter found dis in aieee syllabus someone say iska kaam kya hai ...

Hey does anyone have any quick links for some material in experimental physics? ...

st 1 dimension of inductance=ml2/c2 st2 dimension of ind=dimension of resistance n E=i2rt ...

if the lattice constant of the semi conductor is decreased.,wat ll happen to energy of valence band ,e of conduction band n energy gap bw both bands . plzz explain ...

can anyone explain Knee voltage w.r.t. diodes ...

Can someone post gud no... of Q in Commn. and Electronics .........And do we hav statics and dynamics in AIEEE09?? ...

any one giving mp pet ...

If a constant force acts on a particle, its acceleration will... a. gradually increase b.gradually decrease c. remain constant d. be undefined! ...

Time has a direction, it can never be negative still it is a scalar and not a vector quantity. Which statement is the correct explantion for the time not being a vector? 1) It is not obeying law of parallelogram addition. 2)I ...

is there individual cutoff these time........... if yes then what would be it........ ...

GUYS HOW WAS THE MATRIX MATCHING.................. ...

In 2006,there was a question in the JEE abt a u - v plot of a lens for finding focal length,the %age error or something similar was asked,how to find it?i have no clue! ...

A Li7 target is bombarded with a proton beam current of 10-4A for 1 hour to produce Be7 with an activity of 1.8 *108 disintegrations per second . assuming that one Be radioactive nucleus is produced by 1000 protons bobarding ...

1.A body is suspended from a spring balance kept in a satellite,when orbit radius =R,reading = W1,when orbit = 2R,reading = W2 then A)W1=W2 B)W1W2 ans:(a) 2.Suppose a tunnel is dug thru the centre of the earth , and a particl ...

The angular velocity of the wheels of a scooter is directly proportional to the petrol input.The scooter is moving on a frictionless road with uniform velocity. If the input is increased by 50%,what is the change in linear ve ...

A vernier calliper having 1 main scale div. .1cm is designed to have a least count of .02cm. If n be the no. of divisions on vernier scale and m be the length of vernier scale. Find n&m ...

A vernier calliper having 1 main scale div. .1cm is designed to have a least count of .02cm. If n be the no. of divisions on vernier scale and m be the length of vernier scale. Find n&m ...

Calculate the coefficient of refraction of a sound wave on the boundary between air and glass. Young’s modulus for a glass is 6.9 * 1010 Nm-2 , density of glass is 2.6gcm-3 and air temperature is 20°C . velocity of sound i ...

A Li7 target is bombarded with a proton beam current of 10-4A for 1 hour to produce Be7 with an activity of 1.8 *108 disintegrations per second . assuming that one Be radioactive nucleus is produced by 1000 protons bobarding ...

n main scale divisions corespond to n-2 vernier scale divisions 1 main scale division is 1 mm. if the least count of the vernier is .001 m find n ...

When effort is applied parallel to the base of an inclined plane (angle of inclination θ) its mechanical advantage is equal to (a) tan θ (b) 1/ tan θ (c) sin θ (d) 1/ sin θ ...

wats max error in measurement generally ? L.C or half of L.C different buks gve different ans wats the right one ? ...