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Recent questions tagged physics
Questions
A ray of light travelling in air falls on a surface of transparent material
physics
asked
Oct 9, 2017
by
varshinism2111
1
answer
A block of mass m and charge q is resting on frictionless plane at a distan
physics
asked
Oct 9, 2017
by
jaishree592000
0
answers
calculate the totle positive or negative chare of 3.11 gram copper penny .
physics
asked
Oct 9, 2017
by
diveshpaul255
1
answer
A flywheel gains a speed of 540 r.p.m in 6 minutes. Its angular acceleratio
physics
asked
Oct 9, 2017
by
yragini42
1
answer
how many mega coulombs of positive (or negative) charge are in 1.00 mole of
physics
asked
Oct 9, 2017
by
diveshpaul255
1
answer
how many mega coulombs of a positive (or negative) charge are in 1.00 mole
physics
asked
Oct 9, 2017
by
diveshpaul255
0
answers
derive an expression for period of a conical pendulum
physics
asked
Oct 9, 2017
by
jadhavtushar0007
0
answers
show that total energy of the partical performing liner s. h. m is constant
physics
asked
Oct 9, 2017
by
jadhavtushar0007
0
answers
a plane is flying horizontally with a constant speed of 55 m/s when it drop
physics
asked
Oct 9, 2017
by
anissyanasaf7a
1
answer
Two particles A and B projected from the same point with equal angle from
physics
asked
Oct 9, 2017
by
josyulakumar20
0
answers
A block of mass m is sliding down the wedge of mass M the coefficient of fr
physics
asked
Oct 8, 2017
by
shitalchugh99
0
answers
A horizontal disc rotates freely about a vertical axis through it is centre
physics
asked
Oct 8, 2017
by
vlalithambica
1
answer
The work required to be done to split a liquid drop of radius R into 27 ide
physics
asked
Oct 8, 2017
by
shanmugapriya1099
1
answer
If frequency of satellite is imcrease two times then artificial gravity wil
physics
asked
Oct 8, 2017
by
muhammadazhar7866
0
answers
Proof of min. width of mirror required to see whole face
physics
asked
Oct 8, 2017
by
muskankalra001
1
answer
. A rocket is released from a fighter plane at an angle upward 20° to the
physics
asked
Oct 8, 2017
by
ankit.cool103
0
answers
A particle of mass m is tied to a string of length L and whirled into a horizontal plan. If tension in the string is T then the speed of the particle will be :
neet
1998
physics
past paper
t1
q12
asked
Oct 8, 2017
by
priyanka.c
0
answers
Half life period of two elements are 40 minute and 20 minute respectively, then after 80 minute ratio of the remaining nuclei will be (Initially both have equal active nuclei) :
neet
1998
physics
past paper
t1
q11
asked
Oct 8, 2017
by
priyanka.c
0
answers
If Force $F = 500 - 100 t$, then function of impulse with time will be :
neet
1998
physics
past paper
t1
q10
asked
Oct 8, 2017
by
priyanka.c
1
answer
If $x = 3 - 4t^2 + t^3$, then work done in first $4s$ will be (Mass of the particle is 3 gram) :
neet
1998
physics
past paper
t1
q9
asked
Oct 8, 2017
by
priyanka.c
1
answer
A circular ring of mass M and radius R is rotating about its axis with constant angular velocity $w$. Two particle each of mass $m$ are attached gently to the opposite ends of a diameter of the ting. The angular velocity of the ring will now become :
neet
1998
physics
past paper
t1
q8
asked
Oct 8, 2017
by
priyanka.c
1
answer
For protecting a magnetic needle it should be placed :
neet
1998
physics
past paper
t1
q7
asked
Oct 8, 2017
by
priyanka.c
0
answers
Prove that snth= u +a/2(2n-1)
physics
asked
Oct 8, 2017
by
niteshmaurya040
1
answer
Two pendulum suspended from same point having length 2m and 0.5m. If they displaced slightly and released then they will be in same phase, when small pendulum will have completed?
neet
1998
physics
past paper
t1
q6
asked
Oct 8, 2017
by
priyanka.c
1
answer
For a wave $y = y_0 \sin (wt - kx)$, for what value of $\lambda$ is the maximum particle velocity equal to two times the wave velocity :
neet
1998
physics
past paper
t1
q5
asked
Oct 8, 2017
by
priyanka.c
1
answer
Following logic gate is :
neet
1998
physics
past paper
t1
q4
asked
Oct 8, 2017
by
priyanka.c
1
answer
Following table is for which logic gate:
neet
1998
physics
past paper
t1
q3
asked
Oct 8, 2017
by
priyanka.c
1
answer
A hollow sphere of radius 1m is given a positive charge of $10 \mu C$. The electric field at the centre of hollow sphere will be :
neet
1998
physics
past paper
t1
q2
asked
Oct 8, 2017
by
priyanka.c
1
answer
A simple pendulum with Bob of mass m and conducting wire of length l swin
physics
asked
Oct 8, 2017
by
umraifashion
1
answer
Boron has two isotopes $_5B^{10}$ and $_5B^{11}$. If atomic weight of Boron is 100.81 then ratio of $_5B^{10}$ to $_5B^{11}$ in nature will be :
neet
1998
physics
past paper
t1
q1
asked
Oct 8, 2017
by
priyanka.c
1
answer
A ball falls from a height h and rebounds after striking the floor. The coe
physics
asked
Oct 8, 2017
by
adeshjain1969
1
answer
The ratio of intensities of two light waves are 81 : 49. What will be the r
physics
asked
Oct 8, 2017
by
th.aks8546
1
answer
A block of mass 5 kg sliding down at inclined plane 5m long 3 m high having
physics
asked
Oct 8, 2017
by
sheetalsonigj
0
answers
How will the energy stored in a fully charged capacitor change when the sep
physics
asked
Oct 8, 2017
by
karan20012000
1
answer
An emf can be induced in stationary coil if it is kept in
physics
asked
Oct 7, 2017
by
umraifashion
1
answer
Dimensional formula of magnetic fluxes will be
physics
asked
Oct 7, 2017
by
umraifashion
1
answer
In young's double slit experimeng the slits are illuminated by white light.
physics
asked
Oct 7, 2017
by
bindiyanaik0510
1
answer
the errors in measurement of radius and mass of a sphere are 3% and 2% resp
physics
asked
Oct 7, 2017
by
kumar12saurabh13
1
answer
A stone is thrown from top of the tower at angle of 30° up with the horizo
physics
asked
Oct 7, 2017
by
akhilkumarnautiyal5
1
answer
An electron in hydrogen atom jumps from one orbit to another orbit in such
physics
asked
Oct 7, 2017
by
rageshrkrishnan75
1
answer
Suppose the charge of a proton and an eleckon differ slightly. One of them is - e, the other is $(e + \Delta e)$. If the net of electrostatic force and gravitational force between two hydrogen atoms placed at a distance d much greater than atomic size. apart is zero, then $\Delta_e$ is of the order of [Given mass of hydrogen $m_h= 1.67 \times 10^{27}\;kg]$
neet
2017
physics
past paper
t1
q10
asked
Oct 7, 2017
by
meena.p
0
answers
The x and y coordinates of the particle at any time are $x= 5t - 2t^2$ and $y = 10t$ respectivelv, where r and y are in meters and t in seconds. The acceleration of the particle at $t = 2s$ is
neet
2017
physics
past paper
t1
q9
asked
Oct 7, 2017
by
meena.p
1
answer
Figure shows a circuit that contains three identical resistors with resistance R=9.0 O each, two identical inductors with inductance L=2.0 mH each, and an ideal battery with emf e: 18 V. The current 'i' through the battery just after the switch closed is,.....
neet
2017
physics
past paper
t1
q8
asked
Oct 7, 2017
by
meena.p
1
answer
One end of string of length I is connected to a particle of mass 'nf and the other end is connected to a small peg on a smooth horizontal table. If the particle moves in circle with speed 'u', the net force on the particle (directed towards center) will be ([ represents the tension in the string)
neet
2017
physics
past paper
t1
q7
asked
Oct 7, 2017
by
meena.p
0
answers
The de - Brogile wave length of a neutron in thermal equilibrium with heavy water at a temperature T and mass m , is
neet
2017
physics
past paper
t1
q6
asked
Oct 7, 2017
by
meena.p
0
answers
A 250 N turn rectangular coil of length $2.1\;cm$ and width $1.25\;cm$ carries a current of $85 \mu A$ and subjected to magnetic field of strength $0.85\;T$ Work done for rotating the coil by $180^{\circ}$ against the torque is :
neet
2017
physics
past paper
t1
q5
asked
Oct 7, 2017
by
meena.p
0
answers
A U tube with both ends open to the atmosphere, is partially filled rvith u,ater. Oil, which is imeriscible with water, is poured into one side until itstands at a distance of 10 mtrr above the water level on the other side. Meanwhile the water rises by $65\; mm$ from its original level (see diagram). The density of the oil is :
neet
2017
physics
past paper
t1
q4
asked
Oct 7, 2017
by
meena.p
0
answers
Radioactive material 'A' has decay constant $8 \lambda$ and material 'B' has decay constant $\lambda$. Initially they have same number of nuclei. After what time, the ratio of number of nuclei of material 'B' to that 'A' will be $\large\frac{1}{e} $?
neet
2017
physics
past paper
t1
q3
asked
Oct 7, 2017
by
meena.p
0
answers
A gas mixture consists of 2 moles of O, and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the totalintemal energv of l.he system is :
neet
2017
physics
past paper
t1
q2
asked
Oct 7, 2017
by
meena.p
0
answers
A potentiometer is an accurate and versatile device to make elechical measurements of E.M.F. because the method involves :
neet
2017
physics
past paper
t1
q1
asked
Oct 7, 2017
by
meena.p
0
answers
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