A stream of charged particles enter into a region with crossed electric and magnetic fields as shown in the figure below. On the other side is a screen with a hole that is right on the original path of the particles. Then,
A stream of charged particles enter into a region with crossed electric and magnetic fields as shown in the figure below. On the other side is a screen with a hole that is right on the original path of the particles. Then,
- [KVPY 2009]
- A
no particle can get through the hole
- B
all particles can get through the hole
- C
only positively charged particles with speed $\frac{E}{B}$ can get through the hole
- D
all particles with speed $\frac{E}{B}$ can get through the hole
Similar Questions
Consider the following statements regarding a charged particle in a magnetic field . Which of the statements are true :
Consider the following statements regarding a charged particle in a magnetic field . Which of the statements are true :
Write Lorentz force equation.
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A proton (mass $m$ and charge $+e$) and an $\alpha -$ particle (mass $4m$ and charge $+2e$) are projected with the same kinetic energy at right angles to the uniform magnetic field. Which one of the following statements will be true
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$OABC$ is a current carrying square loop an electron is projected from the centre of loop along its diagonal $AC$ as shown. Unit vector in the direction of initial acceleration will be
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A beam of electrons passes undeflected through mutually perpendicular electric and magnetic fields. It the electric field is switched off, and the same magnetic field is maintained, the electrons move
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- [AIPMT 2007]