Class 12

Dual Nature of Radiation and matter question bank (Physics)

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Q1.

Cathode rays travelling from east to west enter into a region of an electric field directed towards north to south in the plane of the paper. The deflection of cathode rays is towards:

(A)
East
(B)
South
(C)
West
(D)
North
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Q2.

When a magnetic field is applied in a direction perpendicular to the direction of cathode rays,then their

(A)
Energy decreases
(B)
Energy increases
(C)
Momentum increases
(D)
Momentum and energy remain unchanged
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