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A particle of mass 2 kg chrge 1 mC is pr...

A particle of mass 2 kg chrge 1 mC is projected vertially with velocity k`10 ms^-1`. There is as uniform horizontal electric field of `10^4N//C,` then

A

The horizontal range of the particle is 10 m

B

The time of flight of the particle is 2s

C

The maximum height reached is 5 cm

D

The horizontal range of the particle is 0 m

Text Solution

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The correct Answer is:
A, B, C
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Knowledge Check

  • A particle of mass 0.6g and having charge of 25 n_(C) is moving horizontally with a uniform velocity 1.2xx10^(4)ms^(-1) in a uniform magnetic field, then the value of the magnetic induction is (g=10ms^(-2))

    A
    Zero
    B
    `10T`
    C
    `20T`
    D
    `200T`

  • A particle of mass 10^(-3) kg and charge 5muC is thrown at a speed of 20ms^(-1) against a uniform electric field of strength 2xx10^(5)NC^(-1) . The distance travelled by particle before coming to rest is

    A
    0.1 m
    B
    0.2 m
    C
    0.3 m
    D
    0.4 m

  • A particle is projected at an angle theta =30^@ with the horizontal, with a velocity of 10ms^(-1) . Then

    A
    After 2 s, the velocity of particle makes an angle of `60^@` with initial velocity vector.
    B
    After 1 s, the velocity of particles makes an angle of `60^@` with initial velocity vector.
    C
    The magnitude of velocity of particle after 1 s is `10 ms^(-1)`.
    D
    The magnitude of velocity of particle after 1 s is `5 ms^(-1)`.