Description : Assertion An `alpha-`particle and a deuteron having same kinetic energy enter in a uniform magnetic field perpendicular to the field. Then, radius of
Last Answer : Assertion An `alpha-`particle and a deuteron having same kinetic energy enter in a uniform magnetic ... If Assertion is false but Reason is true.
Description : A proton of mass m and charge q is moving in a plane with kinetic energy E. if there exists a uniform magnetic field B, perpendicular to the plane mot
Last Answer : A proton of mass m and charge q is moving in a plane with kinetic energy E. if there exists a uniform magnetic ... Em))/(2qB)` D. `(sqrt(2Eq))/(qB)`
Description : A proton and a α particle enter a region having a perpendicular uniform magnetic field. The ratio of time period of proton (τp) to time period of α particle (τα) is a) 1:4 b) 4:1 c) 2:1 d) 1:2
Last Answer : d) 1:2
Description : A current of 5.8 A flows through a 0.25 m long straight conductor which is kept perpendicular in a region of uniform magnetic field of 3.7 T . The force on conductor is a) 5.4 N b) 2.4 N c) 3.4 N d) 6.4 N
Last Answer : a) 5.4 N
Description : Assertion If the path of a charged particle in a region of uniform electric and magnetic field is not a circle, then its kinetic energy may remain con
Last Answer : Assertion If the path of a charged particle in a region of uniform electric and magnetic field is ... VxxB),` where symbols have their usual meanings.
Description : A proton and a deuteron both having the same kinetic energy, enter perpendicularly into a uniform magnetic field `B`. For motion of proton and deutero
Last Answer : A proton and a deuteron both having the same kinetic energy, enter perpendicularly into a uniform magnetic field `B`. ... =R_(p)` D. `R_(d)=2R_(p)`
Description : In the mass spectrograph, two positively charged ions having the same velocity pass through a slit and enter a uniform magnetic field at right angles to their initial velocities. The ions will NOT be ... charges and their masses are equal z) the ratios of their charges to their masses are equal
Last Answer : ANSWER: Z -- THE RATIOS OF THEIR CHARGES TO THEIR MASSES ARE EQUAL
Description : A proton and a deuteron have same kinetic energies while moving in a perpendicular magnetic field. The following gives the ratio of radii of their circular paths a) √2 : 1 b) 1: √2 c) 1:4 d) 1:1
Last Answer : b) 1: √2
Description : Two ions having masses in the ratio `1 : 1` and charges `1 : 2` are projected into uniform magnetic field perpendicular to the field with speeds in th
Last Answer : Two ions having masses in the ratio `1 : 1` and charges `1 : 2` are projected into uniform magnetic field perpendicular ... `2:3` C. `3:1` D. `1:4`
Description : Four particles `alpha`-particle, deuteron and electron and a `CI^(-)` ion enter in a transverse magnetic field perpendicular to it with same kinetic e
Last Answer : Four particles `alpha`-particle, deuteron and electron and a `CI^(-)` ion enter in a ... shown in figure. Now match the following two columns.
Description : When a charged particle enters a uniform magnetic field its kinetic energy
Last Answer : When a charged particle enters a uniform magnetic field its kinetic energy A. remains constant B. increases C. decreases D. becomes zero
Description : A proton having mass m and charge q is projected into a region having a perpendicular magnetic field. The angle of deviation of proton when it comes out of the region with mv √2 qB ⁄ is a) π/3 b) π/4 c) π/6 d) 2 π/3
Last Answer : b) π/4
Description : Two particles A and B having equal charges `+6C`, after being accelerated through the same potential differences, enter a region of uniform magnetic f
Last Answer : Two particles A and B having equal charges `+6C`, after being accelerated through the same potential differences, enter a ... 2` C. `4//9` D. `9//5`
Description : A proton and an electron both moving with the same velocity v enter into a region of magnetic field directed perpendicular to the velocity of the part
Last Answer : A proton and an electron both moving with the same velocity v enter into a region of magnetic field ... be higher D. their orbital radii will be same
Description : A moving particle of charge q and mass m enters a uniform magnetic field perpendicular to the direction of field. Then
Last Answer : A moving particle of charge q and mass m enters a uniform magnetic field perpendicular to the ... circular path (D) its velocity vector changes
Description : A proton is moving in a uniform magnetic field B in a circular path of radius a in a direction perpendicular to Z- axis along which field B exists. Ca
Last Answer : A proton is moving in a uniform magnetic field B in a circular path of radius a in a direction perpendicular to Z- ... 2)a` C. `a^(2) eB` D. `aeB`
Description : A conductor of length 5 cm is moved paralllel to itself with a speed of `2m//s`, perpendicular to a uniform magnetic field of `10^(-3) Wb//m^(2).` the
Last Answer : A conductor of length 5 cm is moved paralllel to itself with a speed of `2m//s`, perpendicular to a uniform ... `1xx10^(-4)V` D. `2xx10^(-4) V`
Description : A charged particle enters in a uniform magnetic field perpendicular to it. Now match the following two columns.
Last Answer : A charged particle enters in a uniform magnetic field perpendicular to it. Now match the following two columns.
Description : A conducting loop is placed in a uniform magnetic field with its plane perpendicular to the field with its plane perpendicular to the field. An emf is
Last Answer : A conducting loop is placed in a uniform magnetic field with its plane perpendicular to the field ... . the loop is deformed from the original shape
Description : A particle of charge -q and mass m enters a uniform magnetic field `vecB` (perpendicular to paper inward) at P with a velocity `v_0` at an angle `alph
Last Answer : A particle of charge -q and mass m enters a uniform magnetic field `vecB` (perpendicular to paper inward) at P ... for time `t = (2m(pi-alpha))/(Bq)`
Description : A charged particle enters into a uniform magnetic field with velocity `v_(0)` perpendicular to it , the length of magnetic field is `x=sqrt(3)/(2)R`,
Last Answer : A charged particle enters into a uniform magnetic field with velocity `v_(0)` perpendicular to it , the length of ... 3)v_(0))/(2)` D. `v_(0)`
Description : Assertion A charged particle is rotating in a circular path in uniform magnetic field. Then, plane of circle is perpendicular to the magnetic field. R
Last Answer : Assertion A charged particle is rotating in a circular path in uniform magnetic field. Then, plane of ... . If Assertion is false but Reason is true.
Description : Assertion When a charged particle moves perpendicular to a uniform magnetic field then its momentum remains constant. Reason Magnetic force acts perpe
Last Answer : Assertion When a charged particle moves perpendicular to a uniform magnetic field then its momentum ... Assertion is false but Reason is true.
Description : A particle is projected in a plane perpendicular to a uniform magnetic field. The area bounded by the path described by the particle is proportional t
Last Answer : A particle is projected in a plane perpendicular to a uniform magnetic field. The area bounded by the ... C. the kinetic energy D. None of these
Description : If a charged particle is a plane perpendicular to a uniform magnetic field with a time period T Then
Last Answer : If a charged particle is a plane perpendicular to a uniform magnetic field with a time period T Then A. `T^(2) ... ` C. `Tpropr^(2)` D. `Tpropr^(0)`
Description : When a uniform magnetic field B is applied to a current carrying coil, the coil will rotate in such a manner that its plane a) becomes parallel to B b) becomes anti-parallel to B c) makes an angle of 600 with B d) becomes perpendicular to B
Last Answer : d) becomes perpendicular to B
Description : A charged particle is rotating in uniform circular motion in a uniform magnetic field . Let r= radius of circule, v= speed of particle k = kinetic ene
Last Answer : A charged particle is rotating in uniform circular motion in a uniform magnetic field . Let r ... angular speed. then match the following two columns.
Description : A proton, a deuteron and an `alpha`- particle having the same kinetic energy are moving in circular trajectors in a constant magnetic field. If `r_p,
Last Answer : A proton, a deuteron and an `alpha`- particle having the same kinetic energy are moving in circular trajectors in a ... )` D. `r_(p)=r_(d)=r_(alpha)`
Description : Two particles `X` and `Y` with equal charges, after being accelerated throuhg the same potential difference, enter a region of uniform magnetic field
Last Answer : Two particles `X` and `Y` with equal charges, after being accelerated throuhg the same potential difference, enter a ... D. `(R_(2)//R_(1))^(2)`
Last Answer : Two particles `X` and `Y` with equal charges, after being accelerated throuhg the same potential difference, enter a ... ` D. `((R_(1))/(R_(2))`
Description : Two protons are projected simultaneously from a fixed point with the same velocity v into a region, magnetic there exists a uniform magnetic field. Th
Last Answer : Two protons are projected simultaneously from a fixed point with the same velocity v into a region, magnetic there ... mv)/(qB)` D. `(mv)/(2qB)`
Description : When an electronl beam passes through and electric field they gain kinetic energy. If the same electron beam passes through a magnetic field then thei
Last Answer : When an electronl beam passes through and electric field they gain kinetic energy. If the same ... C. momentum increases D. kinetic energy increases
Description : A charged particle of specific charge s moves undeflected through a region of space containing mutually perpendicular and uniform electric and magneti
Last Answer : A charged particle of specific charge s moves undeflected through a region of space containing mutually perpendicular and ... D. `(E)/(B^(2)S)`
Description : Assertion A beam of electron can pass undeflected through a region of E and B. Reason Force on moving charged particle due to magnetic field may be ze
Last Answer : Assertion A beam of electron can pass undeflected through a region of E and B. Reason Force on ... to magnetic field may be zero in some cases.
Description : In electromagnetic waves, the electric field will be perpendicular to which of the following? a) Magnetic field intensity b) Wave propagation c) Both H and wave direction d) It propagates independently
Last Answer : c) Both H and wave direction
Description : A proton and helium nucleus are shot into a magnetic field at right angles to the field with same kinetic energy. Then the ratio of their radii is
Last Answer : A proton and helium nucleus are shot into a magnetic field at right angles to the field with same kinetic energy. Then the ... `1:2` C. `2:1` D. `1:4`
Description : 2. The magnetic field in a given region is uniform. Draw a diagram to represent it. -Physics-10
Last Answer : Solution: hope this is helpul
Description : An ELECTRON moving horizontally along the +x axis enters a region of space with a horizontal uniform magnetic field pointing in the +y direction. The electron will be deflected: w) -y direction x) +y direction y) -z direction z) +z direction
Last Answer : ANSWER: Y -- -Z DIRECTION
Description : Draw a circle with centre at point O and radius 5 cm. Draw its chord AB, draw the perpendicular bisector of line segment AB. Does it pass through the centre of the circle? -Maths 9th
Last Answer : STEP1: Draw a circle with centre at point O and radius 5 cm. STEP2: Draw its cord AB. STEP3: With centre A as centre and radius more than half of AB, draw two arcs, one on each side ... is perpendicular bisector of AB which is chord of circle, Hence, it passes through the centre of the circle.
Description : A proton of energy `8 eV` is moving in a circular path in a uniform magnetic field. The energy of an alpha particle moving in the same magnetic field
Last Answer : A proton of energy `8 eV` is moving in a circular path in a uniform magnetic field. The energy of an alpha ... will be A. 4eV B. 22eV C. 8eV D. 6eV
Description : A charged particle with a velocity `2xx10^(3) ms^(-1)` passes undeflected through electric field and magnetic fields in mutually perpendicular directi
Last Answer : A charged particle with a velocity `2xx10^(3) ms^(-1)` passes undeflected through electric field and magnetic fields ... 1)` D. `1.33xx10^(3)NC^(-1)`
Description : If the velocity of charged particle has both perpendicular and parallel components while moving through a magnetic field ,then what is the path follow
Last Answer : If the velocity of charged particle has both perpendicular and parallel components while moving through a ... B. Ellipatical C. Linear D. Helical
Description : A planar coil having 12 turns carries 15 A current. The coil is oriented with respect to the uniform magnetic field `B= 0.2hati T` such that its direc
Last Answer : A planar coil having 12 turns carries 15 A current. The coil is oriented with respect to the ... energy of the coil in the given orientation is
Description : There is a ring of radius r having linear charge density `lambda` and rotating with a uniform angular velocity `omega.` the magnetic field produced by
Last Answer : There is a ring of radius r having linear charge density `lambda` and rotating with a uniform angular velocity ` ... D. `(mu_(0)lambda)/(2omega^(2))`
Description : A square coil of edge I having n turns carries a curent i. it is kept on a smooth horizontal plate. A uniform magnetic field B exists in a direction p
Last Answer : A square coil of edge I having n turns carries a curent i. it is kept on a smooth horizontal plate. A uniform ... . `(Mg)/(4niL)` D. `(2Mg)/(niL)`
Description : Which of the follwing particles will have minimum frequency of revolution when projected with the same velocity perpendicular to a magnetic field?
Last Answer : Which of the follwing particles will have minimum frequency of revolution when projected with the same velocity ... Electron C. Proton D. `He^(+)`
Description : The polarization of a radio wave: A. Is perpendicular to the electrostatic field of the antenna B. Is the same direction as the electrostatic field of the antenna. C. Is the same direction ... field of the antenna. D. Is perpendicular to both the electrostatic and magnetic fields of the antenna.
Last Answer : B. Is the same direction as the electrostatic field of the antenna.
Description : F = BIL can only be used if the magnetic field and electric current are A. at right angles to each other B. in same direction C. anti-parallel to each other D. anti-perpendicular to each other
Last Answer : at right angles to each other
Description : What transport process uses kinetic energy to pass substances through the plasma membrane?
Last Answer : What is the answer ?
Description : iv) A rectangular coil free to rotate is placed in uniform magnetic field with its plane parallel to the magnetic lines of force. Then the coil willa) rotate to maximize the magnetic flux through ... since the magnetic flux through its plane is zero.d) experience the constant torque equal to NBIA
Last Answer : iv) A rectangular coil free to rotate is placed in uniform magnetic field with its plane parallel ... d) experience the constant torque equal to NBIA