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

1 Answer

Answer :

b) 1: √2

Related questions

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 : 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 : A proton moves in a uniform magnetic field in a circular path of radius R. If the energy of proton is doubled then the new radius becomes a) R √2 b) 2R c) R 2 d) √2 R

Last Answer : d) √2 R

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 : 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 : 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 : 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 : An electron and a proton are moving at the same speed in circular paths in the same uniform magnetic field. The radius of the path of the proton is one of the following. Is this radius: w) the same ... of the electron y) a little larger than that of the electron z) smaller than that of the electron

Last Answer : ANSWER: X -- ABOUT 2000 TIMES LARGER THAN THAT OF THE ELECTRON

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 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 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 : ___________ is not affected by a magnetic field a) Change in magnetic flux b) a moving electron c) a stationary proton d) current flowing in a conductor

Last Answer : c) a stationary proton

Description : An α particle moves perpendicular to a constant magnetic field of strength 1.2 T in a circular path of radius 0.7 m. The speed of α particle in ms-1 is ______________ a) 2.7 × 107 b) 2.6 × 107 c) 3.2 × 107 d) 2.0 × 107

Last Answer : a) 2.7 × 107

Description : Two bodies are moving in circular paths of equal radii. If the speed of the first body is twice that of the second, the centripetal acceleration of the first body is how many times greater than that of the second body?

Last Answer : ANSWER: 4

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 : When an iron piece is placed in a magnetic field (a) the magnetic lines of force will bend away from their usual paths in order to go away from the piece (b) the magnetic lines of force will bend ... to pass through the piece (c) the magnetic field will not be affected (d) the iron piece will break

Last Answer : (b) the magnetic lines of force will bend away from their usual paths in order to pass through the piece

Description : Work done by a uniform magnetic field in moving a charged particle in a circular path is a) qvB sin θ b) mg sin θ c) zero d) mg cos θ

Last Answer : Zero

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 : ___________ remain undeflected in a magnetic field a) β particles b) α particles c) γ rays d) Proton beams

Last Answer : c) γ rays

Description : Which of the following quantities change when a proton moves at right angles to a magnetic field? a) Momentum b) Energy c) Speed d) All of these

Last Answer : a) Momentum

Description : A rocket is moving up with a velocity v. If the velocity of this rocket is suddenly tripled, what will be the ratio of two kinetic energies? -Physics 9th

Last Answer : hope its clear

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 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 : ` H^(+), He^(+) and O^(++)` all having the same kinetic energy pass through a region in which there is a uniform magnetic field perpendicular to their

Last Answer : ` H^(+), He^(+) and O^(++)` all having the same kinetic energy pass through a ... suffer same deflection D. All ions will suffer the same deflection

Description : A proton beam moves towards an observer. The direction of magnetic induction is a) towards right b) anticlockwise c) towards left d) clockwise

Last Answer : d) clockwise

Description : The maximum energy of a deuteron coming out a cyclotron is 20 MeV. The maximum energy of proton that can be obtained from this acceleration is

Last Answer : The maximum energy of a deuteron coming out a cyclotron is 20 MeV. The maximum energy of proton that can be ... MeV B. 20 MeV C. 30 MeV D. 40 MeV

Description : Two bodies of equal mass are moving in circular paths at equal speed. The first body moves in a circle whose radius is twice as great as that of the second. The ratio of the centripetal or radial acceleration of the first body to that of the second is: w) 1 to 4 x) 1 to 3 y) 1 to 2 z) 1 to 1

Last Answer : ANSWER: Y -- 1 TO 2

Description : A magnetic field exists around (a) iron (b) copper (c) aluminium (d) moving charges

Last Answer : (d) moving charges

Description : The induced current can be increased by: a. Using strong magnetic field b. moving loop faster c. Replacing loop by coil d. all of above

Last Answer : d. all of above

Description : If velocity of a conductor moving through a magnetic field ‘B’ is made zero, then Motional emf will be: a. –VBL b. –V/BL c. – BL/V d. zero

Last Answer : a. –VBL

Description : The pole faces of U-shaped magnet in a moving coil galvanometer are made concave to a) decrease the strength of magnetic field b) create a non-uniform magnetic field c) make the magnetic field radial d) All of these

Last Answer : c) make the magnetic field radial

Description : An electron and a neutron enter a magnetic field with the same velocity. Ratio of electron to neutron’s acceleration is a) mn me b) √ mn me c) √ me mn d) me

Last Answer : a) mn me

Description : AS A GROUP, the halogens have the largest: w) atomic radii x) Boiling points y) electronegativities z) ionization energies

Last Answer : ANSWER: Y -- ELECTRONEGATIVITIES

Description : The statement that the sum of the kinetic and potential energies of a particle in the earth's gravitational field is constant is known as a.Principle of conservation of mechanical energy b.Law of gravitation c.Newton's law d.Principle of conservation of momentum e.Law of nature

Last Answer : a. Principle of conservation of mechanical energy

Description : A solid spherical ball rolls on a table. The momen' of inertia of the ball is given by 3/5 x mass x radius2. The ratio of translational and rotational kinetic energies for ball will be a.2 b.7?16 c.5?3 d.7?8 e.1

Last Answer : c. 5?3

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 : Ball "A" ROLLS down an inclined plane without slipping. An identical ball, Ball "B", SLIDES down the same inclined plane without rolling. Which of the following statements is true? w) Ball ... y) their kinetic energies are the same z) their rotational kinetic energies are equal just after release  

Last Answer : ANSWER: Y -- THEIR KINETIC ENERGIES ARE THE SAME

Description : In the plane of the A.C generator coil is perpendicular to the field, then induced emf in the coil is: a. Maximum b. minimum c. zero d. intermediate value

Last Answer : b. minimum

Description : A proton is moving along the negative direction of X-axis in a magnetic field directed along the positive direction of Y-axis. The proton will be defl

Last Answer : A proton is moving along the negative direction of X-axis in a magnetic field directed along the positive ... Y-axis C. Z-axis D. None of these

Description : An iron sphere of mass 30 kg and an aluminium sphere of mass 10 kg, both having the same diameter are dropped vertically from a cliff. When they are 10 metrs from the ground, they have identical a.Accelerations b.Momenta c.Kinetic energies d.Potential energies e.All of the above

Last Answer : a. Accelerations

Description : A charged particle of mass `m` and charge `q` travels on a circular path of radius `r` that is perpendicular to a magnetic field `B`. The time takeen

Last Answer : A charged particle of mass `m` and charge `q` travels on a circular path of radius `r` that is perpendicular to a ... (2pi qB)/(m)` D. `(2pi m)/(qB)`

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 : 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 particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that (a) Its ... ) Its acceleration is constant (c) Its kinetic energy is constant (d) It moves in a circular path

Last Answer : Ans:(d)

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 : The force on a charged particle moving parallel to magnetic field lines is: w) in the direction of the field x) zero y) perpendicular to the field z) in the opposite direction of the field

Last Answer : ANSWER: X -- ZERO

Description : The minimum ratio of the radii of two circular curves of a compound curve, is kept (A) 1.25 (B) 1.5 (C) 1.75 (D) 2.0

Last Answer : Answer: Option B

Description : If two bodies one light and one heavy have equal kinetic energies, which one has a greater momentum? a.Momentum depends on velocities b.Heavy body c.Both have equal momentum d.Nothing can be concluded on the basis of information provided e.Light body

Last Answer : b. Heavy body

Description : The sum of energies of all the molecules in a system, energies that appear in several complex forms.  a. External Energy  b. Internal Energy  c. Kinetic Energy  d. None of the above

Last Answer : Internal Energy

Description : What refers to the portion of the internal energy of a system associated with the kinetic energies of the molecules?  A. Translational energy  B. Spin energy  C. Rotational kinetic energy  D. Sensible energy

Last Answer : Sensible energy