A beam of electrons is moving with constant velocity in a region having electric and magnetic fields of strength \[20\ V{{m}^{-1}}\]and 0.5 T at right angles to the direction of motion of the electrons. What is the velocity of the electrons [CBSE PMT 1996]

If assertion is true but reason is false.

A beam of electrons is moving with constant velocity in a region havin

1.	A beam of electrons is moving with constant velocity in a region having electric and magnetic fields of strength \[20\ V{{m}^{-1}}\]and 0.5 T at right angles to the direction of motion of the electrons. What is the velocity of the electrons [CBSE PMT 1996]
A.	20 \[m{{s}^{-1}}\]
B.	40 \[m{{s}^{-1}}\]
C.	If assertion is true but reason is false.
D.	5.5 \[m{{s}^{-1}}\]
Answer» C. If assertion is true but reason is false.

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A beam of electrons is moving with constant velocity in a region having electric and magnetic fields of strength \[20\ V{{m}^{-1}}\]and 0.5 T at right angles to the direction of motion of the electrons. What is the velocity of the electrons [CBSE PMT 1996]

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